answerEntity: 2017–18 UEFA Champions League
graph: {'nodes': [{'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q20972117', 'id': 0, 'label': '2017–18 UEFA Champions League'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q18756', 'id': 1, 'label': 'UEFA Champions League'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q615', 'id': 2, 'label': 'Lionel Messi'}], 'links': [{'name_': 'P3450', 'source': 0, 'target': 1, 'label': 'sports season of league or competition'}, {'name_': 'P1344', 'source': 2, 'target': 0, 'label': 'participant in'}]}