Question: how many super bowl titles has tom brady won
[{'answer': 'four', 'provenance': [{'wikipedia_id': '339841', 'title': 'Tom Brady', 'start_paragraph_id': 3, 'start_character': 14, 'end_paragraph_id': 3, 'end_character': 18, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]