Question: who landed the first backflip on a motorcycle
[{'answer': 'Jose Yanez', 'provenance': [{'wikipedia_id': '4699574', 'title': 'Freestyle motocross', 'start_paragraph_id': 9, 'start_character': 9, 'end_paragraph_id': 9, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Evolution of the backflip.\n'}]}, {'provenance': [{'wikipedia_id': '4699574', 'title': 'Freestyle motocross', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 639, 'bleu_score': 0.9829771687435411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11777088316602534505}, 'section': 'Section::::Evolution of the backflip.\n'}]}]