Question: who did the voice in michael jackson's thriller
[{'answer': 'Vincent Price', 'provenance': [{'wikipedia_id': '1583716', 'title': 'Thriller (song)', 'start_paragraph_id': 2, 'start_character': 250, 'end_paragraph_id': 2, 'end_character': 263, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]