Question: who played phantom of the opera on broadway
[{'answer': 'Michael Crawford', 'provenance': [{'wikipedia_id': '308831', 'title': 'The Phantom of the Opera (1986 musical)', 'start_paragraph_id': 2, 'start_character': 175, 'end_paragraph_id': 2, 'end_character': 191, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]