Query: When was the last time I was screened for drug abuse?, FHIR Resource: {'resourceType': 'DiagnosticReport', 'status': 'final', 'category': [{'coding': [{'system': 'http://loinc.org', 'code': '34117-2', 'display': 'History and physical note'}, {'system': 'http://loinc.org', 'code': '51847-2', 'display': 'Evaluation + Plan note'}]}], 'code': {'coding': [{'system': 'http://loinc.org', 'code': '34117-2', 'display': 'History and physical note'}, {'system': 'http://loinc.org', 'code': '51847-2', 'display': 'Evaluation + Plan note'}]}, 'subject': {'reference': 'urn:uuid:754ca69d-37b2-161a-bd28-3f855615e204'}, 'effectiveDateTime': '2020-12-27T00:06:47+05:30', 'result': None}