Question: who does the voice of santa on american dad
[{'answer': 'Matt McKenna', 'provenance': [{'wikipedia_id': '30030242', 'title': 'For Whom the Sleigh Bell Tolls', 'start_paragraph_id': 10, 'start_character': 583, 'end_paragraph_id': 10, 'end_character': 595, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '30030242', 'title': 'For Whom the Sleigh Bell Tolls', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 765, 'bleu_score': 0.965400604802336, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 710426782010977215}, 'section': 'Section::::Production.\n'}]}]