Question: who won the match between fc barcelona and real madrid
[{'answer': 'Barcelona', 'provenance': [{'wikipedia_id': '41553820', 'title': 'List of El Clásico matches', 'start_paragraph_id': 1, 'start_character': 91, 'end_paragraph_id': 1, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]