Which country won the most medals at the 2014 Olympics?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q9678', 'id': 0, 'label': '2014 Winter Olympics'}, {'type': 'INTERNAL', 'name_': 'Q964014', 'id': 1, 'label': 'Martin Erat'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q9674', 'id': 2, 'label': '2010 Winter Olympics'}], 'links': [{'name_': 'P1344', 'source': 1, 'target': 0, 'label': 'participant in'}, {'name_': 'P1344', 'source': 1, 'target': 2, 'label': 'participant in'}]}