Question: what is the name of the most famous gunfight in arizonas history
[{'answer': 'Gunfight at the O.K. Corral', 'provenance': [{'wikipedia_id': '2366732', 'title': 'History of Arizona', 'start_paragraph_id': 26, 'start_character': 573, 'end_paragraph_id': 26, 'end_character': 600, 'bleu_score': 1.0, 'section': 'Section::::American Arizona.:Wild West.\n'}]}, {'provenance': [{'wikipedia_id': '2366732', 'title': 'History of Arizona', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 642, 'bleu_score': 0.5493467228020781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3786895789379721697}, 'section': 'Section::::American Arizona.:Wild West.\n'}]}]