Question: who sang what goes on behind closed doors
[{'answer': 'the Silver Fox', 'provenance': [{'wikipedia_id': '625857', 'title': 'Charlie Rich', 'start_paragraph_id': 2, 'start_character': 58, 'end_paragraph_id': 2, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '625857', 'title': 'Charlie Rich', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 397, 'bleu_score': 0.9720210313175831, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10401044955902878120}, 'section': 'Section::::Abstract.'}]}]