Question: who sang the world is like a great big onion
[{'answer': 'Marvin Gaye', 'provenance': [{'wikipedia_id': '3852037', 'title': 'The Onion Song', 'start_paragraph_id': 1, 'start_character': 44, 'end_paragraph_id': 1, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tammi Terrell', 'provenance': [{'wikipedia_id': '3852037', 'title': 'The Onion Song', 'start_paragraph_id': 1, 'start_character': 60, 'end_paragraph_id': 1, 'end_character': 73, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3852037', 'title': 'The Onion Song', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 151, 'bleu_score': 0.9364250605898111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12741451097606020058}, 'section': 'Section::::Abstract.'}]}]