Question: who wrote zen and the art of motorcycle maintenance
[{'answer': 'Robert M. Pirsig', 'provenance': [{'wikipedia_id': '230155', 'title': 'Zen and the Art of Motorcycle Maintenance', 'start_paragraph_id': 1, 'start_character': 77, 'end_paragraph_id': 1, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '230155', 'title': 'Zen and the Art of Motorcycle Maintenance', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 266, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5242672404710694710}, 'section': 'Section::::Abstract.'}]}]