Question: who plays irene adler in sherlock holmes movie
[{'answer': 'Rachel McAdams', 'provenance': [{'wikipedia_id': '19596597', 'title': 'Sherlock Holmes (2009 film)', 'start_paragraph_id': 1, 'start_character': 647, 'end_paragraph_id': 1, 'end_character': 661, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19596597', 'title': 'Sherlock Holmes (2009 film)', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 663, 'bleu_score': 0.8575492410728871, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14339332430750368153}, 'section': 'Section::::Cast.\n'}]}]