Question: who did mel brooks play in mr peabody and sherman
[{'answer': 'Albert Einstein', 'provenance': [{'wikipedia_id': '4645567', 'title': 'Mr. Peabody & Sherman', 'start_paragraph_id': 11, 'start_character': 257, 'end_paragraph_id': 11, 'end_character': 272, 'bleu_score': 1.0, 'section': 'Section::::Plot.\n'}]}, {'provenance': [{'wikipedia_id': '4645567', 'title': 'Mr. Peabody & Sherman', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 602, 'bleu_score': 0.9176894347072521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 185727541818617574}, 'section': 'Section::::Voice cast.\n'}]}]