answerEntity: history of Louisville, Kentucky
graph: {'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q1603', 'id': 0, 'label': 'Kentucky'}, {'type': 'INTERNAL', 'name_': 'Q17524420', 'id': 1, 'label': 'aspect of history'}, {'type': 'INTERNAL', 'name_': 'Q5865123', 'id': 2, 'label': 'history of Kentucky'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q3136731', 'id': 3, 'label': 'history of Louisville, Kentucky'}], 'links': [{'name_': 'P2184', 'source': 0, 'target': 2, 'label': 'history of topic'}, {'name_': 'P1269', 'source': 2, 'target': 0, 'label': 'facet of'}, {'name_': 'P31', 'source': 2, 'target': 1, 'label': 'instance of'}, {'name_': 'P31', 'source': 3, 'target': 1, 'label': 'instance of'}]}