answerEntity: Charles, Prince of Wales
graph: {'nodes': [{'type': 'INTERNAL', 'name_': 'Q43274', 'id': 0, 'label': 'Charles III of the United Kingdom'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q842438', 'id': 1, 'label': 'British'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q9685', 'id': 2, 'label': 'Diana, Princess of Wales'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q103897000', 'id': 3, 'label': 'Charles, Prince of Wales'}], 'links': [{'name_': 'P172', 'source': 0, 'target': 1, 'label': 'ethnic or cultural origin'}, {'name_': 'P26', 'source': 0, 'target': 2, 'label': 'spouse'}, {'name_': 'P26', 'source': 2, 'target': 0, 'label': 'spouse'}, {'name_': 'P921', 'source': 3, 'target': 0, 'label': 'main subject'}]}