Query: What were my Calcium levels in my latest blood test results?, FHIR Resource: {'resourceType': 'Immunization', 'status': 'completed', 'vaccineCode': {'coding': [{'system': 'http://hl7.org/fhir/sid/cvx', 'code': '208', 'display': 'COVID-19, mRNA, LNP-S, PF, 30 mcg/0.3 mL dose'}], 'text': 'COVID-19, mRNA, LNP-S, PF, 30 mcg/0.3 mL dose'}, 'patient': {'reference': 'urn:uuid:514d3cd5-9d59-c1c1-9457-aad183a74c4f'}, 'occurrenceDateTime': '2021-04-03T13:15:00+05:30', 'primarySource': True}