Question: who was manager when liverpool won champions league
[{'answer': 'Bob Paisley', 'provenance': [{'wikipedia_id': '15205941', 'title': 'List of European Cup and UEFA Champions League winning managers', 'start_paragraph_id': 3, 'start_character': 5, 'end_paragraph_id': 3, 'end_character': 16, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Joe Fagan'}, {'answer': 'Rafael Benítez'}]