Question: where did the famous shootout at the okay corral take place
[{'answer': 'Tombstone , Arizona Territory', 'provenance': [{'wikipedia_id': '64211', 'title': 'Gunfight at the O.K. Corral', 'start_paragraph_id': 1, 'start_character': 213, 'end_paragraph_id': 1, 'end_character': 242, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '64211', 'title': 'Gunfight at the O.K. Corral', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1019, 'bleu_score': 0.597490939233646, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9456409253130431776}, 'section': 'Section::::Abstract.'}]}]