Who is the spouse of the 2012 Summer Olympics 200-meter individual medley gold medalist?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q4167836', 'id': 0, 'label': 'Wikimedia category'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q8577', 'id': 1, 'label': '2012 Summer Olympics'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q239676', 'id': 2, 'label': 'taekwondo at the 2012 Summer Olympics'}, {'type': 'INTERNAL', 'name_': 'Q6390248', 'id': 3, 'label': 'Category:Taekwondo at the 2012 Summer Olympics'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q4616399', 'id': 4, 'label': '200 metres individual medley'}, {'type': 'INTERNAL', 'name_': 'Q15379658', 'id': 5, 'label': "Category:Women's 200 metre individual medley"}], 'links': [{'name_': 'P527', 'source': 1, 'target': 2, 'label': 'has part(s)'}, {'name_': 'P31', 'source': 3, 'target': 0, 'label': 'instance of'}, {'name_': 'P301', 'source': 3, 'target': 2, 'label': "category's main topic"}, {'name_': 'P31', 'source': 5, 'target': 0, 'label': 'instance of'}, {'name_': 'P301', 'source': 5, 'target': 4, 'label': "category's main topic"}]}