Question: who has won the europa league the most
[{'answer': 'Sevilla', 'provenance': [{'wikipedia_id': '2978667', 'title': 'List of UEFA Cup and Europa League finals', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2978667', 'title': 'List of UEFA Cup and Europa League finals', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 675, 'bleu_score': 0.8769437709840711, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4406123945220642473}, 'section': 'Section::::Abstract.'}]}]