You are an assistant tasked with analyzing measurement histories to predict the patient's next laboratory or vital sign value.
<PatientData>
Demographics: {'race': 'White', 'gender': 'MALE', 'year of birth': 1962}
Prior Diagnosis 1: {'condition': 'Prediabetes', 'condition status': 'Not Extracted', 'start date': '1991-12-11', 'end date': None}
Prior Diagnosis 2: {'condition': 'Gout', 'condition status': 'Not Extracted', 'start date': '2012-04-09', 'end date': None}
Prior Diagnosis 3: {'condition': 'Acute viral pharyngitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2014-04-27', 'end date': '2014-05-11'}
Prior Diagnosis 4: {'condition': 'Viral sinusitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2015-11-11', 'end date': '2015-12-13'}
Last Potassium measurement on 2016-01-28 00:00:00: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mmol/L', 'value': 3.99}
Prior measurements of the same type 1: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mmol/L', 'value': 3.91}
Prior measurements of the same type 2: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mmol/L', 'value': 4.52}
Prior measurements of the same type 3: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mmol/L', 'value': 3.95}
Prior measurements of the same type 4: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mmol/L', 'value': 3.99}
Prior measurements of different types 1: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'cm', 'value': 163.33}
Prior measurements of different types 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'kg', 'value': 108.97}
Prior measurements of different types 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'kg/m2', 'value': 40.85}
Prior measurements of different types 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mmHg', 'value': 133.0}
Prior measurements of different types 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mmHg', 'value': 70.0}
Prior measurements of different types 7: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 8: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 86.0}
Prior measurements of different types 9: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 18.0}
Prior measurements of different types 10: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 11: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 9.86}
Prior measurements of different types 12: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mmol/L', 'value': 140.0}
Prior measurements of different types 13: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mmol/L', 'value': 110.0}
Prior measurements of different types 14: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mmol/L', 'value': 27.0}
Prior measurements of different types 15: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 187.0}
Prior measurements of different types 16: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 109.0}
Prior measurements of different types 17: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 106.0}
Prior measurements of different types 18: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-03-01T00:00:00', 'unit': 'mg/dL', 'value': 59.0}
Prior measurements of different types 19: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': '%', 'value': 6.3}
Prior measurements of different types 20: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'cm', 'value': 163.33}
Prior measurements of different types 21: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'kg', 'value': 108.97}
Prior measurements of different types 22: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'kg/m2', 'value': 40.85}
Prior measurements of different types 23: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mmHg', 'value': 115.0}
Prior measurements of different types 24: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mmHg', 'value': 89.0}
Prior measurements of different types 25: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': '%', 'value': 6.3}
Prior measurements of different types 26: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mg/dL', 'value': 70.0}
Prior measurements of different types 27: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mg/dL', 'value': 15.0}
Prior measurements of different types 28: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 29: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mg/dL', 'value': 8.74}
Prior measurements of different types 30: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mmol/L', 'value': 143.0}
Prior measurements of different types 31: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mmol/L', 'value': 111.0}
Prior measurements of different types 32: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2013-11-25T00:00:00', 'unit': 'mmol/L', 'value': 24.0}
Prior measurements of different types 33: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-01T00:00:00', 'unit': 'Cel', 'value': 38.0}
Prior measurements of different types 34: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 35: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'cm', 'value': 163.33}
Prior measurements of different types 36: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'kg', 'value': 108.97}
Prior measurements of different types 37: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'kg/m2', 'value': 40.85}
Prior measurements of different types 38: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mmHg', 'value': 132.0}
Prior measurements of different types 39: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mmHg', 'value': 81.0}
Prior measurements of different types 40: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': '%', 'value': 6.0}
Prior measurements of different types 41: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mg/dL', 'value': 64.0}
Prior measurements of different types 42: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mg/dL', 'value': 15.0}
Prior measurements of different types 43: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 44: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mg/dL', 'value': 10.07}
Prior measurements of different types 45: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mmol/L', 'value': 137.0}
Prior measurements of different types 46: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mmol/L', 'value': 105.0}
Prior measurements of different types 47: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2015-01-09T00:00:00', 'unit': 'mmol/L', 'value': 27.0}
Prior measurements of different types 48: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': '%', 'value': 6.3}
Prior measurements of different types 49: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'cm', 'value': 163.33}
Prior measurements of different types 50: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'kg', 'value': 108.97}
Prior measurements of different types 51: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'kg/m2', 'value': 40.85}
Prior measurements of different types 52: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mmHg', 'value': 107.0}
Prior measurements of different types 53: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mmHg', 'value': 85.0}
Prior measurements of different types 54: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': '%', 'value': 6.3}
Prior measurements of different types 55: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 81.0}
Prior measurements of different types 56: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 15.0}
Prior measurements of different types 57: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 58: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 9.76}
Prior measurements of different types 59: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mmol/L', 'value': 141.0}
Prior measurements of different types 60: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mmol/L', 'value': 109.0}
Prior measurements of different types 61: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mmol/L', 'value': 20.0}
Prior measurements of different types 62: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 162.0}
Prior measurements of different types 63: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 135.0}
Prior measurements of different types 64: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 61.0}
Prior measurements of different types 65: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2016-01-28T00:00:00', 'unit': 'mg/dL', 'value': 74.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-03-01', 'end datetime': '2012-03-01'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-04-09', 'end datetime': '2012-04-09'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-09-29', 'end datetime': '2012-09-29'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-11-25', 'end datetime': '2013-11-25'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-05-01', 'end datetime': '2014-05-01'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-01-09', 'end datetime': '2015-01-09'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2015-11-19', 'end datetime': '2015-11-19'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2016-01-28', 'end datetime': '2016-01-28'}
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1963-03-09', 'End datetime': '1963-03-09', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '1986-01-31', 'End datetime': '1986-01-31', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': 'Naproxen sodium 550 MG [Anaprox]', 'Start datetime': '2012-04-09', 'End datetime': '2012-05-02', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 4: {'Drug name': 'Allopurinol 100 MG [Zyloprim]', 'Start datetime': '2012-04-09', 'End datetime': '2012-05-02', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-03-01', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Colonoscopy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-09-29', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-11-25', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2015-01-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Potassium value be on 2016-12-22 00:00:00?
A. 3.75
B. 5.08
C. 5.16
D. 3.71
E. 4.5
Please share a single capital letter representing your selected answer: 
3.75 5.08 5.16 3.71 4.5