Query: What were the results of my last Hemoglobin 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': '308335008', 'display': 'Patient encounter procedure'}], 'text': 'Patient encounter procedure'}], 'subject': {'reference': 'urn:uuid:050e0d4a-707c-1235-9038-62dfbf1e4244', 'display': 'Mrs. Yolande652 Joette227 Harris789'}, 'participant': [{'type': [{'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/v3-ParticipationType', 'code': 'PPRF', 'display': 'primary performer'}], 'text': 'primary performer'}], 'period': {'start': '2018-02-28T06:25:29+05:30', 'end': '2018-02-28T07:27:37+05:30'}, 'individual': {'reference': 'Practitioner?identifier=http://hl7.org/fhir/sid/us-npi|9999996496', 'display': 'Dr. Paris331 Ruecker817'}}], 'period': {'start': '2018-02-28T06:25:29+05:30', 'end': '2018-02-28T07:27:37+05:30'}}