Question: how many super bowl appearances for dallas cowboys
[{'answer': 'eight times', 'provenance': [{'wikipedia_id': '8121', 'title': 'Dallas Cowboys', 'start_paragraph_id': 1, 'start_character': 750, 'end_paragraph_id': 1, 'end_character': 761, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '8121', 'title': 'Dallas Cowboys', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1365, 'bleu_score': 0.867886059116572, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13141564255101642252}, 'section': 'Section::::Abstract.'}]}]