Question: number of seasons of the big bang theory
[{'answer': 'twelve'}, {'provenance': [{'wikipedia_id': '11269605', 'title': 'The Big Bang Theory', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 350, 'bleu_score': 0.512440660422776, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12933511381025538560}, 'section': 'Section::::Abstract.'}]}]