Question: how many seasons are there in bobs burgers
[{'answer': '8', 'provenance': [{'wikipedia_id': '27386031', 'title': "Bob's Burgers", 'start_paragraph_id': 41, 'start_character': 281, 'end_paragraph_id': 41, 'end_character': 282, 'bleu_score': 1.0, 'section': 'Section::::Hallmarks.:Opening sequence.\n'}]}]