Question: how many episodes of bob's burgers are there
[{'answer': '142'}, {'provenance': [{'wikipedia_id': '30129916', 'title': "List of Bob's Burgers episodes", 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 620, 'bleu_score': 0.955468993395951, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 550124062766271005}, 'section': 'Section::::Abstract.'}]}]