answerEntity: Pittsburgh Steelers
graph: {'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q191477', 'id': 0, 'label': 'Pittsburgh Steelers'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q12973014', 'id': 1, 'label': 'sports team'}, {'type': 'INTERNAL', 'name_': 'Q17156793', 'id': 2, 'label': 'American football team'}], 'links': [{'name_': 'P31', 'source': 0, 'target': 2, 'label': 'instance of'}, {'name_': 'P279', 'source': 2, 'target': 1, 'label': 'subclass of'}]}