Question: who played vince vaughn's wife in couples retreat
[{'answer': 'Malin Åkerman', 'provenance': [{'wikipedia_id': '20332464', 'title': 'Couples Retreat', 'start_paragraph_id': 1, 'start_character': 273, 'end_paragraph_id': 1, 'end_character': 286, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20332464', 'title': 'Couples Retreat', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 499, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2646206985315338593}, 'section': 'Section::::Cast.\n'}]}]