Question: when was the last time miss oklahoma won miss america
[{'answer': '2007', 'provenance': [{'wikipedia_id': '4991546', 'title': 'Miss Oklahoma', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 4, 'bleu_score': 1.0, 'section': 'Section::::Venue.\n'}]}, {'provenance': [{'wikipedia_id': '4991546', 'title': 'Miss Oklahoma', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 164, 'bleu_score': 0.9067110266941041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1453607698626899321}, 'section': 'Section::::Results summary.:Placements.\n'}]}]