Query: What was the result of my latest Triglycerides 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': '424619006', 'display': 'Prenatal visit'}], 'text': 'Prenatal visit'}], 'subject': {'reference': 'urn:uuid:be69263e-31b4-dca5-cdab-540b251b8ee9', 'display': 'Mrs. Zofia65 Hattie299 Boyle917'}, 'participant': [{'type': [{'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/v3-ParticipationType', 'code': 'PPRF', 'display': 'primary performer'}], 'text': 'primary performer'}], 'period': {'start': '2015-07-29T02:14:06+05:30', 'end': '2015-07-29T02:29:06+05:30'}, 'individual': {'reference': 'Practitioner?identifier=http://hl7.org/fhir/sid/us-npi|9999996090', 'display': 'Dr. Chu728 Weber641'}}], 'period': {'start': '2015-07-29T02:14:06+05:30', 'end': '2015-07-29T02:29:06+05:30'}}