Query: What was the result of my last Glomerular filtration rate test?, FHIR Resource: {'resourceType': 'Encounter', 'status': 'finished', 'class': {'system': 'http://terminology.hl7.org/CodeSystem/v3-ActCode', 'code': 'AMB'}, 'type': [{'coding': [{'system': 'http://snomed.info/sct', 'code': '702927004', 'display': 'Urgent care clinic (environment)'}], 'text': 'Urgent care clinic (environment)'}], 'subject': {'reference': 'urn:uuid:ad40c953-7b35-9094-13ec-0e7818dcc10b', 'display': 'Mr. Allan198 Schaden604'}, 'participant': [{'type': [{'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/v3-ParticipationType', 'code': 'PPRF', 'display': 'primary performer'}], 'text': 'primary performer'}], 'period': {'start': '2016-01-22T19:12:34+05:30', 'end': '2016-01-22T19:46:53+05:30'}, 'individual': {'reference': 'Practitioner?identifier=http://hl7.org/fhir/sid/us-npi|9999938597', 'display': 'Dr. Mica978 Lemke654'}}], 'period': {'start': '2016-01-22T19:12:34+05:30', 'end': '2016-01-22T19:46:53+05:30'}}