Question: who plays the main girl in phantom of the opera
[{'answer': 'Emmy Rossum', 'provenance': [{'wikipedia_id': '308856', 'title': 'The Phantom of the Opera (2004 film)', 'start_paragraph_id': 1, 'start_character': 333, 'end_paragraph_id': 1, 'end_character': 344, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]