Question: who won the stanley cup in the last 5 years
[{'answer': 'Toronto Hockey Club', 'provenance': [{'wikipedia_id': '1486684', 'title': 'List of Stanley Cup champions', 'start_paragraph_id': 21, 'start_character': 46, 'end_paragraph_id': 21, 'end_character': 65, 'bleu_score': 1.0, 'section': 'Section::::NHA/NHL vs. PCHA/WCHL/WHL champions (1915–1926).\n'}]}, {'answer': 'Quebec Bulldogs'}]