Question: when did big ben come into the nfl
[{'answer': '2004', 'provenance': [{'wikipedia_id': '699349', 'title': 'Ben Roethlisberger', 'start_paragraph_id': 1, 'start_character': 300, 'end_paragraph_id': 1, 'end_character': 304, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]