Question: who plays penny in mr peabody and sherman
[{'answer': 'Ariel Winter', 'provenance': [{'wikipedia_id': '4645567', 'title': 'Mr. Peabody & Sherman', 'start_paragraph_id': 1, 'start_character': 587, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4645567', 'title': 'Mr. Peabody & Sherman', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 100, 'bleu_score': 0.8702397637697911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1262170010015144689}, 'section': 'Section::::Voice cast.\n'}]}]