Query {'flat': 'on', 'database': 'data', 'fields': {'a.source-value': 1, '_id': 0, 'meta.runner._id': 1}, 'project': ['a.source-value'], 'limit': 1, 'query': {'meta.runner._id': {'$regex': 'TE_268219140650'}, 'meta.subject._id': u'Tersoff_LAMMPS_Nord_Albe_Erhart_Nordlund_GaN__MO_612061685362_001'}} matched documents for the following UUIDs: [u'TE_268219140650_004-and-MO_612061685362_001-1529368706-tr']