Who was MVP of the team that won Super Bowl XLVIII?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'INTERNAL', 'name_': 'Q6581097', 'id': 1, 'label': 'male'}, {'type': 'INTERNAL', 'name_': 'Q1860', 'id': 2, 'label': 'English'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q289678', 'id': 3, 'label': 'National Football League Most Valuable Player Award'}, {'type': 'INTERNAL', 'name_': 'Q960594', 'id': 4, 'label': 'Otto Graham'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q1190093', 'id': 5, 'label': 'Super Bowl XLVIII'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q3281665', 'id': 6, 'label': 'Malcolm Arthur Smith'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P37', 'source': 0, 'target': 2, 'label': 'official language'}, {'name_': 'P17', 'source': 2, 'target': 0, 'label': 'country'}, {'name_': 'P27', 'source': 4, 'target': 0, 'label': 'country of citizenship'}, {'name_': 'P21', 'source': 4, 'target': 1, 'label': 'sex or gender'}, {'name_': 'P1412', 'source': 4, 'target': 2, 'label': 'languages spoken, written or signed'}, {'name_': 'P166', 'source': 4, 'target': 3, 'label': 'award received'}, {'name_': 'P17', 'source': 5, 'target': 0, 'label': 'country'}, {'name_': 'P21', 'source': 6, 'target': 1, 'label': 'sex or gender'}, {'name_': 'P1412', 'source': 6, 'target': 2, 'label': 'languages spoken, written or signed'}]}