Question: which canadian hockey team has won the most stanley cups
[{'answer': 'Montreal Canadiens', 'provenance': [{'wikipedia_id': '1486684', 'title': 'List of Stanley Cup champions', 'start_paragraph_id': 2, 'start_character': 205, 'end_paragraph_id': 2, 'end_character': 223, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1486684', 'title': 'List of Stanley Cup champions', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 441, 'bleu_score': 0.828737181608146, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4299659818753759737}, 'section': 'Section::::Abstract.'}]}]