Query {'sort': '_id', 'database': 'data', 'fields': {'_id': 0, 'a.si-value': 1}, 'project': ['a.si-value'], 'limit': 1, 'query': {'property-id': {'$regex': 'property/structure-hexagonal-crystal-npt'}, 'short-name.source-value': 'hcp', 'meta.subject.kimcode': u'EAM_Dynamo_Mendelev_Ni__MO_832600236922_004'}} matched documents for the following UUIDs: [u'TE_708857439901_003-and-MO_832600236922_004-1525996421-tr'] Query {'sort': '_id', 'database': 'data', 'fields': {'_id': 0, 'c.si-value': 1}, 'project': ['c.si-value'], 'limit': 1, 'query': {'property-id': {'$regex': 'property/structure-hexagonal-crystal-npt'}, 'short-name.source-value': 'hcp', 'meta.subject.kimcode': u'EAM_Dynamo_Mendelev_Ni__MO_832600236922_004'}} matched documents for the following UUIDs: [u'TE_708857439901_003-and-MO_832600236922_004-1525996421-tr']