Query: Who was the primary performer during my last prenatal visit?, FHIR Resource: {'resourceType': 'Condition', 'clinicalStatus': {'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/condition-clinical', 'code': 'resolved'}]}, 'verificationStatus': {'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/condition-ver-status', 'code': 'confirmed'}]}, 'category': [{'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/condition-category', 'code': 'encounter-diagnosis', 'display': 'Encounter Diagnosis'}]}], 'code': {'coding': [{'system': 'http://snomed.info/sct', 'code': '444814009', 'display': 'Viral sinusitis (disorder)'}], 'text': 'Viral sinusitis (disorder)'}, 'subject': {'reference': 'urn:uuid:5a8a46c4-82fd-c25c-7ae9-635985216904'}, 'onsetDateTime': '2018-04-26T20:06:19+05:30'}