Question: who has won the most olympic medals for great britain
[{'answer': 'Sir Chris Hoy', 'provenance': [{'wikipedia_id': '3624090', 'title': 'Great Britain at the Olympics', 'start_paragraph_id': 3, 'start_character': 61, 'end_paragraph_id': 3, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Jason Kenny', 'provenance': [{'wikipedia_id': '3624090', 'title': 'Great Britain at the Olympics', 'start_paragraph_id': 3, 'start_character': 79, 'end_paragraph_id': 3, 'end_character': 90, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3624090', 'title': 'Great Britain at the Olympics', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 969, 'bleu_score': 0.8965725279056771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4450417881478959797}, 'section': 'Section::::Abstract.'}]}]