Query: What was my body height in 2018?, FHIR Resource: {'resourceType': 'Observation', 'status': 'final', 'category': [{'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/observation-category', 'code': 'vital-signs', 'display': 'Vital signs'}]}], 'code': {'coding': [{'system': 'http://loinc.org', 'code': '39156-5', 'display': 'Body mass index (BMI) [Ratio]'}], 'text': 'Body mass index (BMI) [Ratio]'}, 'subject': {'reference': 'urn:uuid:b927e156-a549-ae83-eb4b-da93419baf51'}, 'effectiveDateTime': '2018-04-20T01:50:50+05:30', 'valueQuantity': {'value': 17.04, 'unit': 'kg/m2', 'system': 'http://unitsofmeasure.org', 'code': 'kg/m2'}, 'interpretation': None}