answerEntity: Headquarters Building
graph: {'nodes': [{'type': 'QUESTIONS_ENTITY', 'name_': 'Q46169', 'id': 0, 'label': 'national park'}, {'type': 'INTERNAL', 'name_': 'Q464004', 'id': 1, 'label': 'Great Smoky Mountains National Park'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q97586411', 'id': 2, 'label': 'Headquarters Building'}], 'links': [{'name_': 'P31', 'source': 1, 'target': 0, 'label': 'instance of'}, {'name_': 'P159', 'source': 1, 'target': 2, 'label': 'headquarters location'}, {'name_': 'P3018', 'source': 2, 'target': 1, 'label': 'located in protected area'}]}