Question: how many seasons of man vs food are there
[{'answer': '6', 'provenance': [{'wikipedia_id': '20589740', 'title': 'Man v. Food', 'start_paragraph_id': 20, 'start_character': 870, 'end_paragraph_id': 20, 'end_character': 871, 'bleu_score': 1.0, 'section': 'Section::::Episodes.:Season 1: December 2008 – March 2009.\n'}]}]