Question: when did tom brady start playing in the nfl
[{'answer': '2000', 'provenance': [{'wikipedia_id': '339841', 'title': 'Tom Brady', 'start_paragraph_id': 2, 'start_character': 123, 'end_paragraph_id': 2, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]