Question: who sings mama rock me like a wagon wheel
[{'answer': 'Old Crow Medicine Show', 'provenance': [{'wikipedia_id': '6753816', 'title': 'Wagon Wheel (song)', 'start_paragraph_id': 1, 'start_character': 67, 'end_paragraph_id': 1, 'end_character': 89, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Bob Dylan', 'provenance': [{'wikipedia_id': '6753816', 'title': 'Wagon Wheel (song)', 'start_paragraph_id': 1, 'start_character': 38, 'end_paragraph_id': 1, 'end_character': 47, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '6753816', 'title': 'Wagon Wheel (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 159, 'bleu_score': 0.5031493905779361, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17304178186688814429}, 'section': 'Section::::Abstract.'}]}]