Question: who won the most stanley cups in history
[{'answer': 'Montreal Canadiens'}, {'provenance': [{'wikipedia_id': '3314237', 'title': 'Stanley Cup Finals', 'start_paragraph_id': 29, 'start_character': 0, 'end_paragraph_id': 29, 'end_character': 45, 'bleu_score': 0.6147881529512641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12574501603428287047}, 'section': 'Section::::Records.:Team.\n'}]}, {'provenance': [{'wikipedia_id': '12336128', 'title': '1987 Stanley Cup Finals', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['nley Cup victory. This would be the fifth of eight consecutive Finals contested by a team from Alberta (the Oilers appeared in six, the Calgary Flames in two), and the fourth of five consecutive Finals to e', 'and the fourth of five consecutive Finals to end with the Cup presentation on Alberta ice (the Oilers won four times, the Montreal Canadiens once).']}}]}, {'provenance': [{'wikipedia_id': '1486684', 'title': 'List of Stanley Cup champions', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'start_character': 201, 'end_paragraph_id': 2, 'end_character': 302, 'bleu_score': 1.0}]}]