Question: who sang papa was a rolling stone first
[{'answer': 'Norman Whitfield', 'provenance': [{'wikipedia_id': '1415110', 'title': "Papa Was a Rollin' Stone", 'start_paragraph_id': 1, 'start_character': 111, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Barrett Strong', 'provenance': [{'wikipedia_id': '1415110', 'title': "Papa Was a Rollin' Stone", 'start_paragraph_id': 1, 'start_character': 132, 'end_paragraph_id': 1, 'end_character': 146, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]