Question: who does the voice of freight train on cleveland show
[{'answer': 'Craig Robinson', 'provenance': [{'wikipedia_id': '24437392', 'title': 'List of The Cleveland Show characters', 'start_paragraph_id': 36, 'start_character': 51, 'end_paragraph_id': 36, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::Brown/Tubbs relatives.\n'}]}, {'provenance': [{'wikipedia_id': '24437392', 'title': 'List of The Cleveland Show characters', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 1146, 'bleu_score': 0.9479744912669541, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16496803820411967196}, 'section': 'Section::::Brown/Tubbs relatives.\n'}]}]