You are an assistant tasked with analyzing measurement histories to predict the patient's next laboratory or vital sign value.
<PatientData>
Demographics: {'race': 'Black or African American', 'gender': 'FEMALE', 'year of birth': 1972}
Prior Diagnosis 1: {'condition': 'Prediabetes', 'condition status': 'Not Extracted', 'start date': '2004-10-04', 'end date': None}
Prior Diagnosis 2: {'condition': 'Normal pregnancy', 'condition status': 'Not Extracted', 'start date': '2010-11-29', 'end date': '2011-09-12'}
Prior Diagnosis 3: {'condition': 'Normal pregnancy', 'condition status': 'Not Extracted', 'start date': '2012-09-03', 'end date': '2013-06-24'}
Prior Diagnosis 4: {'condition': 'Viral sinusitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2012-11-20', 'end date': '2012-12-08'}
Last Potassium measurement on 2013-12-10 00:00:00: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mmol/L', 'value': 5.04}
Prior measurements of the same type 1: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mmol/L', 'value': 4.28}
Prior measurements of the same type 2: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mmol/L', 'value': 5.04}
Prior measurements of different types 1: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': '%', 'value': 6.1}
Prior measurements of different types 2: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'cm', 'value': 169.3}
Prior measurements of different types 3: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'kg', 'value': 87.44}
Prior measurements of different types 4: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'kg/m2', 'value': 30.51}
Prior measurements of different types 5: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mmHg', 'value': 100.0}
Prior measurements of different types 6: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mmHg', 'value': 72.0}
Prior measurements of different types 7: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': '%', 'value': 6.1}
Prior measurements of different types 8: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 93.0}
Prior measurements of different types 9: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 13.0}
Prior measurements of different types 10: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 11: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 9.76}
Prior measurements of different types 12: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mmol/L', 'value': 142.0}
Prior measurements of different types 13: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mmol/L', 'value': 103.0}
Prior measurements of different types 14: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mmol/L', 'value': 22.0}
Prior measurements of different types 15: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 186.0}
Prior measurements of different types 16: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 111.0}
Prior measurements of different types 17: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 89.0}
Prior measurements of different types 18: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2011-05-20T00:00:00', 'unit': 'mg/dL', 'value': 74.0}
Prior measurements of different types 19: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': '%', 'value': 5.8}
Prior measurements of different types 20: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'cm', 'value': 169.3}
Prior measurements of different types 21: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'kg', 'value': 90.75}
Prior measurements of different types 22: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'kg/m2', 'value': 31.66}
Prior measurements of different types 23: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mmHg', 'value': 123.0}
Prior measurements of different types 24: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mmHg', 'value': 76.0}
Prior measurements of different types 25: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': '%', 'value': 5.8}
Prior measurements of different types 26: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mg/dL', 'value': 73.0}
Prior measurements of different types 27: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mg/dL', 'value': 17.0}
Prior measurements of different types 28: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 29: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mg/dL', 'value': 10.19}
Prior measurements of different types 30: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mmol/L', 'value': 140.0}
Prior measurements of different types 31: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mmol/L', 'value': 109.0}
Prior measurements of different types 32: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2013-12-10T00:00:00', 'unit': 'mmol/L', 'value': 28.0}
Visit 1: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-02-07', 'end datetime': '2011-02-07'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-03-14', 'end datetime': '2011-03-14'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-20', 'end datetime': '2011-05-20'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-05-30', 'end datetime': '2011-05-30'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-07-11', 'end datetime': '2011-07-11'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-08-08', 'end datetime': '2011-08-08'}
Visit 7: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-08-22', 'end datetime': '2011-08-22'}
Visit 8: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-08-29', 'end datetime': '2011-08-29'}
Visit 9: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-09-05', 'end datetime': '2011-09-05'}
Visit 10: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-09-12', 'end datetime': '2011-09-12'}
Visit 11: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-11-12', 'end datetime': '2012-11-12'}
Visit 12: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-11-26', 'end datetime': '2012-11-26'}
Visit 13: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-12-17', 'end datetime': '2012-12-17'}
Visit 14: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-03-04', 'end datetime': '2013-03-04'}
Visit 15: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-04-15', 'end datetime': '2013-04-15'}
Visit 16: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-05-13', 'end datetime': '2013-05-13'}
Visit 17: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-05-27', 'end datetime': '2013-05-27'}
Visit 18: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-06-03', 'end datetime': '2013-06-03'}
Visit 19: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-06-10', 'end datetime': '2013-06-10'}
Visit 20: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-06-17', 'end datetime': '2013-06-17'}
Visit 21: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-06-24', 'end datetime': '2013-06-24'}
Visit 22: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-07-01', 'end datetime': '2013-07-01'}
Visit 23: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-07-09', 'end datetime': '2013-07-09'}
Visit 24: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-12-10', 'end datetime': '2013-12-10'}
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1976-02-02', 'End datetime': '1976-02-02', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': ' Amoxicillin 250 MG / Clavulanate 125 MG [Augmentin]', 'Start datetime': '2012-11-26', 'End datetime': '2012-12-08', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-02-07', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-05-20', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Episiotomy', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-09-12', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Childbirth', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-09-12', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 5: {'procedure': 'Standard pregnancy test', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2012-11-12', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 6: {'procedure': 'Epidural anesthesia', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-06-24', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 7: {'procedure': 'Cesarean section', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-06-24', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 8: {'procedure': 'Bilateral tubal ligation', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2013-07-09', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Potassium value be on 2015-10-16 00:00:00?
A. 4.68
B. 5.0
C. 5.05
D. 4.6
E. 3.8
Please share a single capital letter representing your selected answer: 
4.68 5.0 5.05 4.6 3.8