Question: which team has won the 2017 uefa super cup football tournament
[{'answer': 'Real Madrid', 'provenance': [{'wikipedia_id': '47117892', 'title': '2017 UEFA Super Cup', 'start_paragraph_id': 1, 'start_character': 281, 'end_paragraph_id': 1, 'end_character': 292, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]