Question: how many seasons were the sopranos on tv
[{'answer': '6', 'provenance': [{'wikipedia_id': '78242', 'title': 'The Sopranos', 'start_paragraph_id': 2, 'start_character': 116, 'end_paragraph_id': 2, 'end_character': 117, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]