Question: who plays the beast in beauty and the beast 1991
[{'answer': 'Robby Benson', 'provenance': [{'wikipedia_id': '133462', 'title': 'Beauty and the Beast (1991 film)', 'start_paragraph_id': 1, 'start_character': 587, 'end_paragraph_id': 1, 'end_character': 599, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]