Question: who sang the original version of me and mrs jones
[{'answer': 'Billy Paul', 'provenance': [{'wikipedia_id': '2633424', 'title': 'Me and Mrs. Jones', 'start_paragraph_id': 1, 'start_character': 121, 'end_paragraph_id': 1, 'end_character': 131, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2633424', 'title': 'Me and Mrs. Jones', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 413, 'bleu_score': 0.9757530668325981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15586343374797790429}, 'section': 'Section::::Abstract.'}]}]