Question: who does the voice of mater in cars 2
[{'answer': 'Larry the Cable Guy', 'provenance': [{'wikipedia_id': '16839388', 'title': 'Cars 2', 'start_paragraph_id': 1, 'start_character': 213, 'end_paragraph_id': 1, 'end_character': 232, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16839388', 'title': 'Cars 2', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 93, 'bleu_score': 0.861173529963367, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11599275026939449901}, 'section': 'Section::::Voice cast.\n'}]}]