Question: who plays the professor in the lion the witch and the wardrobe
[{'answer': 'Jim Broadbent', 'provenance': [{'wikipedia_id': '881855', 'title': 'Digory Kirke', 'start_paragraph_id': 2, 'start_character': 49, 'end_paragraph_id': 2, 'end_character': 62, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]