answerEntity: Ojos del Salado
graph: {'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q18', 'id': 0, 'label': 'South America'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q233836', 'id': 1, 'label': 'Ojos del Salado'}], 'links': [{'name_': 'P30', 'source': 1, 'target': 0, 'label': 'continent'}]}