Query: What were the results of my latest blood tests?, 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': '731-0', 'display': 'Lymphocytes [#/volume] in Blood by Automated count'}], 'text': 'Lymphocytes [#/volume] in Blood by Automated count'}, 'subject': {'reference': 'urn:uuid:60abc6f7-093a-6a59-8512-7cadf7e16bee'}, 'effectiveDateTime': '2017-01-03T04:52:06+05:30', 'valueQuantity': {'value': 2.2182, 'unit': '10*3/uL', 'system': 'http://unitsofmeasure.org', 'code': '10*3/uL'}, 'interpretation': None}