answerEntity: Nero
graph: {'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q1747689', 'id': 0, 'label': 'Ancient Rome'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q1413', 'id': 1, 'label': 'Nero'}], 'links': [{'name_': 'P27', 'source': 1, 'target': 0, 'label': 'country of citizenship'}]}