answerEntity: Barack Obama
graph: {'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q4226', 'id': 0, 'label': '2012 United States presidential election'}, {'type': 'INTERNAL', 'name_': 'Q76', 'id': 1, 'label': 'Barack Obama'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q47513588', 'id': 2, 'label': 'Barack Obama'}], 'links': [{'name_': 'P991', 'source': 0, 'target': 1, 'label': 'successful candidate'}, {'name_': 'P3602', 'source': 1, 'target': 0, 'label': 'candidacy in election'}, {'name_': 'P180', 'source': 2, 'target': 1, 'label': 'depicts'}]}