Query: What was my protein level in the blood test done in 2016?, 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': '787-2', 'display': 'MCV [Entitic volume] by Automated count'}], 'text': 'MCV [Entitic volume] by Automated count'}, 'subject': {'reference': 'urn:uuid:60abc6f7-093a-6a59-8512-7cadf7e16bee'}, 'effectiveDateTime': '2018-06-13T08:31:14+05:30', 'valueQuantity': {'value': 81.658, 'unit': 'fL', 'system': 'http://unitsofmeasure.org', 'code': 'fL'}, 'interpretation': None}