Question: who sang the original son of a preacher man
[{'answer': 'Dusty Springfield', 'provenance': [{'wikipedia_id': '1791269', 'title': 'Son of a Preacher Man', 'start_paragraph_id': 1, 'start_character': 141, 'end_paragraph_id': 1, 'end_character': 158, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1791269', 'title': 'Son of a Preacher Man', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 208, 'bleu_score': 0.8935248372106961, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7923847859332495939}, 'section': 'Section::::Abstract.'}]}]