Question: who has won the most cfl grey cups
[{'answer': 'the Toronto Argonauts', 'provenance': [{'wikipedia_id': '14389167', 'title': 'List of Grey Cup champions', 'start_paragraph_id': 3, 'start_character': 69, 'end_paragraph_id': 3, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '14389167', 'title': 'List of Grey Cup champions', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 706, 'bleu_score': 0.658890302555173, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12815111468256454703}, 'section': 'Section::::Abstract.'}]}]