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': 1970}
Prior Diagnosis 1: {'condition': 'Prediabetes', 'condition status': 'Not Extracted', 'start date': '1993-06-02', 'end date': None}
Prior Diagnosis 2: {'condition': 'Cardiac Arrest', 'condition status': 'Not Extracted', 'start date': '2010-09-28', 'end date': None}
Prior Diagnosis 3: {'condition': 'History of cardiac arrest (situation)', 'condition status': 'Not Extracted', 'start date': '2010-09-28', 'end date': None}
Prior Diagnosis 4: {'condition': 'Streptococcal sore throat (disorder)', 'condition status': 'Not Extracted', 'start date': '2011-11-28', 'end date': '2011-12-10'}
Prior Diagnosis 5: {'condition': 'Viral sinusitis (disorder)', 'condition status': 'Not Extracted', 'start date': '2013-06-28', 'end date': '2013-08-01'}
Prior Diagnosis 6: {'condition': 'Streptococcal sore throat (disorder)', 'condition status': 'Not Extracted', 'start date': '2014-01-10', 'end date': '2014-01-19'}
Last Potassium measurement on 2014-05-02 00:00:00: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mmol/L', 'value': 5.15}
Prior measurements of the same type 1: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mmol/L', 'value': 5.12}
Prior measurements of the same type 2: {'measurement': 'Potassium', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mmol/L', 'value': 5.15}
Prior measurements of different types 1: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2011-11-29T00:00:00', 'unit': 'Cel', 'value': 39.2}
Prior measurements of different types 2: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': '%', 'value': 6.1}
Prior measurements of different types 3: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'cm', 'value': 171.91}
Prior measurements of different types 4: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'kg', 'value': 104.67}
Prior measurements of different types 5: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'kg/m2', 'value': 35.42}
Prior measurements of different types 6: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mmHg', 'value': 111.0}
Prior measurements of different types 7: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mmHg', 'value': 87.0}
Prior measurements of different types 8: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': '%', 'value': 6.1}
Prior measurements of different types 9: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 72.0}
Prior measurements of different types 10: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 20.0}
Prior measurements of different types 11: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 12: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 9.36}
Prior measurements of different types 13: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mmol/L', 'value': 144.0}
Prior measurements of different types 14: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mmol/L', 'value': 110.0}
Prior measurements of different types 15: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mmol/L', 'value': 25.0}
Prior measurements of different types 16: {'measurement': 'Total Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 189.0}
Prior measurements of different types 17: {'measurement': 'Triglycerides', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 102.0}
Prior measurements of different types 18: {'measurement': 'Low Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 88.0}
Prior measurements of different types 19: {'measurement': 'High Density Lipoprotein Cholesterol', 'measurement type': 'EHR encounter record', 'measurement date': '2012-06-28T00:00:00', 'unit': 'mg/dL', 'value': 80.0}
Prior measurements of different types 20: {'measurement': 'Oral temperature', 'measurement type': 'EHR encounter record', 'measurement date': '2014-01-12T00:00:00', 'unit': 'Cel', 'value': 39.01}
Prior measurements of different types 21: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': '%', 'value': 6.2}
Prior measurements of different types 22: {'measurement': 'Body Height', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'cm', 'value': 171.91}
Prior measurements of different types 23: {'measurement': 'Body Weight', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'kg', 'value': 107.62}
Prior measurements of different types 24: {'measurement': 'Body Mass Index', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'kg/m2', 'value': 36.41}
Prior measurements of different types 25: {'measurement': 'Systolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mmHg', 'value': 122.0}
Prior measurements of different types 26: {'measurement': 'Diastolic Blood Pressure', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mmHg', 'value': 84.0}
Prior measurements of different types 27: {'measurement': 'Hemoglobin A1c/Hemoglobin.total in Blood', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': '%', 'value': 6.2}
Prior measurements of different types 28: {'measurement': 'Glucose', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mg/dL', 'value': 100.0}
Prior measurements of different types 29: {'measurement': 'Urea Nitrogen', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mg/dL', 'value': 14.0}
Prior measurements of different types 30: {'measurement': 'Creatinine', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mg/dL', 'value': 1.0}
Prior measurements of different types 31: {'measurement': 'Calcium', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mg/dL', 'value': 8.94}
Prior measurements of different types 32: {'measurement': 'Sodium', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mmol/L', 'value': 137.0}
Prior measurements of different types 33: {'measurement': 'Chloride', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mmol/L', 'value': 106.0}
Prior measurements of different types 34: {'measurement': 'Carbon Dioxide', 'measurement type': 'EHR encounter record', 'measurement date': '2014-05-02T00:00:00', 'unit': 'mmol/L', 'value': 21.0}
Visit 1: {'visit': 'Emergency Room Visit', 'visit type': 'EHR encounter record', 'start datetime': '2010-09-28', 'end datetime': '2010-09-28'}
Visit 2: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2011-11-29', 'end datetime': '2011-11-29'}
Visit 3: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2012-06-28', 'end datetime': '2012-06-28'}
Visit 4: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2013-07-07', 'end datetime': '2013-07-07'}
Visit 5: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-01-12', 'end datetime': '2014-01-12'}
Visit 6: {'visit': 'Outpatient Visit', 'visit type': 'EHR encounter record', 'start datetime': '2014-05-02', 'end datetime': '2014-05-02'}
Medication 1: {'Drug name': 'Penicillin V Potassium 250 MG', 'Start datetime': '1972-12-29', 'End datetime': '1972-12-29', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 2: {'Drug name': '1 ML Epinephrine 1 MG/ML Prefilled Syringe', 'Start datetime': '2010-09-28', 'End datetime': '2010-09-28', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 3: {'Drug name': '3 ML Amiodarone hydrocholoride 50 MG/ML Prefilled Syringe', 'Start datetime': '2010-09-28', 'End datetime': '2010-09-28', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 4: {'Drug name': 'Atropine Sulfate 1 MG/ML Injectable Solution', 'Start datetime': '2010-09-28', 'End datetime': '2010-09-28', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 5: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '2011-11-29', 'End datetime': '2011-11-29', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Medication 6: {'Drug name': 'Penicillin V Potassium 500 MG', 'Start datetime': '2014-01-12', 'End datetime': '2014-01-12', 'Route': None, 'Quantity': 'Not Extracted', 'Stop Reason': 'Not Extracted', 'Dose Unit': 'Not Extracted'}
Procedure 1: {'procedure': 'Insertion of biventricular implantable cardioverter defibrillator', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2010-09-28', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 2: {'procedure': 'Catheter ablation of tissue of heart', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2010-09-28', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 3: {'procedure': 'Throat culture (procedure) ', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2011-11-29', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
Procedure 4: {'procedure': 'Documentation of current medications', 'procedure type': 'EHR encounter record', 'procedure start datetime': '2014-05-02', 'procedure end datetime': 'Not Extracted', 'modifier': 'Not Extracted'}
</PatientData>
Based on the trajectory above, what will the patient's **next** Potassium value be on 2016-04-03 00:00:00?
A. 4.05
B. 3.7
C. 3.81
D. 3.79
E. 4.81
Please share a single capital letter representing your selected answer: 
4.05 3.7 3.81 3.79 4.81