Question: how many super bowl wins does the pittsburgh steelers have
[{'answer': 'six', 'provenance': [{'wikipedia_id': '23338', 'title': 'Pittsburgh Steelers', 'start_paragraph_id': 11, 'start_character': 180, 'end_paragraph_id': 11, 'end_character': 183, 'bleu_score': 1.0, 'section': 'Section::::Franchise history.:The Chuck Noll era.\n'}]}, {'provenance': [{'wikipedia_id': '23338', 'title': 'Pittsburgh Steelers', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 444, 'bleu_score': 0.8794007348239671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7381477478099878346}, 'section': 'Section::::Franchise history.:Summary.\n'}]}]