answerEntity: guitar
graph: {'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q6607', 'id': 0, 'label': 'guitar'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q188969', 'id': 1, 'label': 'B.B. King'}], 'links': [{'name_': 'P1303', 'source': 1, 'target': 0, 'label': 'instrument'}]}