Question: who sang ain't nothing going on but the rent
[{'answer': 'American singer Gwen Guthrie', 'provenance': [{'wikipedia_id': '15992080', 'title': "Ain't Nothin' Goin' On but the Rent", 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 79, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15992080', 'title': "Ain't Nothin' Goin' On but the Rent", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 296, 'bleu_score': 0.916705652864192, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4446256894344791569}, 'section': 'Section::::Abstract.'}]}]