Question: how many seasons of dallas cowboy cheerleaders are there
[{'answer': '12', 'provenance': [{'wikipedia_id': '7994688', 'title': 'Dallas Cowboys Cheerleaders: Making the Team', 'start_paragraph_id': 6, 'start_character': 323, 'end_paragraph_id': 6, 'end_character': 325, 'bleu_score': 1.0, 'section': 'Section::::Seasons.\n'}]}]