Question: who sings you can keep your hat on
[{'answer': 'Joe Cocker', 'provenance': [{'wikipedia_id': '19486796', 'title': 'You Can Leave Your Hat On', 'start_paragraph_id': 3, 'start_character': 11, 'end_paragraph_id': 3, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19486796', 'title': 'You Can Leave Your Hat On', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 260, 'bleu_score': 0.9022045190074791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16310507696458890918}, 'section': "Section::::Joe Cocker's version.\n"}]}]