Query: When was the last time I was immunized and what was it for?, FHIR Resource: {'resourceType': 'Procedure', 'status': 'completed', 'category': None, 'code': {'coding': [{'system': 'http://snomed.info/sct', 'code': '180256009', 'display': 'Subcutaneous immunotherapy'}], 'text': 'Subcutaneous immunotherapy'}, 'subject': {'reference': 'urn:uuid:5cc90c3a-0758-5e22-883b-f63d361a37c5'}, 'performedDateTime': None}