Question: who plays the main character in the sorcerer's apprentice
[{'answer': 'Nicolas Cage', 'provenance': [{'wikipedia_id': '12621957', 'title': "The Sorcerer's Apprentice (2010 film)", 'start_paragraph_id': 1, 'start_character': 228, 'end_paragraph_id': 1, 'end_character': 240, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]