Question: who voiced peppermint patty in a charlie brown thanksgiving
[{'answer': 'Christopher DeFaria', 'provenance': [{'wikipedia_id': '1293054', 'title': 'A Charlie Brown Thanksgiving', 'start_paragraph_id': 17, 'start_character': 12, 'end_paragraph_id': 17, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Voice actors.\n'}]}]