Question: who plays the evil wizard in lord of the rings
[{'answer': 'Christopher Lee', 'provenance': [{'wikipedia_id': '18618607', 'title': 'Saruman', 'start_paragraph_id': 31, 'start_character': 232, 'end_paragraph_id': 31, 'end_character': 247, 'bleu_score': 1.0, 'section': 'Section::::Adaptations.\n'}]}, {'provenance': [{'wikipedia_id': '18618607', 'title': 'Saruman', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 1369, 'bleu_score': 0.9447212745654741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10642488011487983539}, 'section': 'Section::::Adaptations.\n'}]}]