Question: who is performing in the champions league final
[{'answer': 'Real Madrid', 'provenance': [{'wikipedia_id': '51615375', 'title': '2018 UEFA Champions League Final', 'start_paragraph_id': 1, 'start_character': 391, 'end_paragraph_id': 1, 'end_character': 402, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Liverpool', 'provenance': [{'wikipedia_id': '51615375', 'title': '2018 UEFA Champions League Final', 'start_paragraph_id': 1, 'start_character': 482, 'end_paragraph_id': 1, 'end_character': 491, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51615375', 'title': '2018 UEFA Champions League Final', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 491, 'bleu_score': 0.9361374222844411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17104782860202955775}, 'section': 'Section::::Abstract.'}]}]