answerEntity: Hassan Rouhani
graph: {'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q838380', 'id': 0, 'label': 'President of Iran'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q348144', 'id': 1, 'label': 'Hassan Rouhani'}], 'links': [{'name_': 'P39', 'source': 1, 'target': 0, 'label': 'position held'}]}