Question: who has won the most olympic medals for canada
[{'answer': 'Cindy Klassen', 'provenance': [{'wikipedia_id': '13554889', 'title': 'Canada at the Olympics', 'start_paragraph_id': 7, 'start_character': 191, 'end_paragraph_id': 7, 'end_character': 204, 'bleu_score': 1.0, 'section': 'Section::::Records.\n'}]}, {'answer': 'Clara Hughes', 'provenance': [{'wikipedia_id': '13554889', 'title': 'Canada at the Olympics', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::Records.\n'}]}]