Question: who plays police inspector javert in the 2012 film les miserables
[{'answer': 'Russell Crowe', 'provenance': [{'wikipedia_id': '33029735', 'title': 'Les Misérables (2012 film)', 'start_paragraph_id': 1, 'start_character': 420, 'end_paragraph_id': 1, 'end_character': 433, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]