Question: when did cleveland come back to family guy
[{'answer': '230th episode', 'provenance': [{'wikipedia_id': '40371122', 'title': "He's Bla-ack!", 'start_paragraph_id': 1, 'start_character': 114, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40371122', 'title': "He's Bla-ack!", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 482, 'bleu_score': 0.8566164470175641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2600862090682121805}, 'section': 'Section::::Abstract.'}]}]