Question: who played mr darcy in the 1940 film version of pride and prejudice
[{'answer': 'Laurence Olivier', 'provenance': [{'wikipedia_id': '2649257', 'title': 'Pride and Prejudice (1940 film)', 'start_paragraph_id': 1, 'start_character': 161, 'end_paragraph_id': 1, 'end_character': 177, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2649257', 'title': 'Pride and Prejudice (1940 film)', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 49, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11743400429063344451}, 'section': 'Section::::Cast.\n'}]}]