Question: how many passing attempts does tom brady have
[{'answer': 'at least 1,500', 'provenance': [{'wikipedia_id': '339841', 'title': 'Tom Brady', 'start_paragraph_id': 29, 'start_character': 279, 'end_paragraph_id': 29, 'end_character': 293, 'bleu_score': 1.0, 'section': 'Section::::Professional career.:Overview.\n'}]}, {'provenance': [{'wikipedia_id': '339841', 'title': 'Tom Brady', 'start_paragraph_id': 29, 'start_character': 0, 'end_paragraph_id': 29, 'end_character': 591, 'bleu_score': 0.856084745593027, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15177578029565290640}, 'section': 'Section::::Professional career.:Overview.\n'}]}]