Question: who wrote i shot the sheriff bob dylan
[{'answer': 'Bob Marley', 'provenance': [{'wikipedia_id': '1177569', 'title': 'I Shot the Sheriff', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1177569', 'title': 'I Shot the Sheriff', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 95, 'bleu_score': 0.7948343660629971, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14611699025732906902}, 'section': 'Section::::Abstract.'}]}]