Question: who's won more boat races oxford or cambridge
[{'answer': '83', 'provenance': [{'wikipedia_id': '247877', 'title': 'The Boat Race', 'start_paragraph_id': 8, 'start_character': 24, 'end_paragraph_id': 8, 'end_character': 26, 'bleu_score': 1.0, 'section': "Section::::History of the men's race.:Origin.\n"}]}]