Query: What is the level of sodium in my blood?, FHIR Resource: {'resourceType': 'Observation', 'status': 'final', 'category': [{'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/observation-category', 'code': 'laboratory', 'display': 'Laboratory'}]}], 'code': {'coding': [{'system': 'http://loinc.org', 'code': '20505-4', 'display': 'Bilirubin.total [Mass/volume] in Urine by Test strip'}], 'text': 'Bilirubin.total [Mass/volume] in Urine by Test strip'}, 'subject': {'reference': 'urn:uuid:a1d2d741-ad12-6902-27e8-b48dcdd1f361'}, 'effectiveDateTime': '2017-02-27T13:07:10+05:30', 'valueQuantity': {'value': 0.65068, 'unit': 'mg/dL', 'system': 'http://unitsofmeasure.org', 'code': 'mg/dL'}, 'interpretation': None}