Which Ron Howard movie was nominated for Best Picture but didn't win?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q30', 'id': 0, 'label': 'United States of America'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q102427', 'id': 1, 'label': 'Academy Award for Best Picture'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q103646', 'id': 2, 'label': 'Ron Howard'}, {'type': 'INTERNAL', 'name_': 'Q653928', 'id': 3, 'label': 'pinball machine game'}, {'type': 'INTERNAL', 'name_': 'Q4780280', 'id': 4, 'label': 'Apollo 13'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q106428', 'id': 5, 'label': 'Apollo 13'}, {'type': 'INTERNAL', 'name_': 'Q99012169', 'id': 6, 'label': 'Teenage Mutant Ninja Turtles'}], 'links': [{'name_': 'P17', 'source': 0, 'target': 0, 'label': 'country'}, {'name_': 'P17', 'source': 1, 'target': 0, 'label': 'country'}, {'name_': 'P27', 'source': 2, 'target': 0, 'label': 'country of citizenship'}, {'name_': 'P166', 'source': 2, 'target': 1, 'label': 'award received'}, {'name_': 'P31', 'source': 4, 'target': 3, 'label': 'instance of'}, {'name_': 'P138', 'source': 4, 'target': 5, 'label': 'named after'}, {'name_': 'P495', 'source': 6, 'target': 0, 'label': 'country of origin'}, {'name_': 'P31', 'source': 6, 'target': 3, 'label': 'instance of'}]}