answerEntity: Ali Khamenei
graph: {'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q57336', 'id': 0, 'label': 'Ali Khamenei'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q838380', 'id': 1, 'label': 'President of Iran'}], 'links': [{'name_': 'P39', 'source': 0, 'target': 1, 'label': 'position held'}]}