Question: who holds the most medals for team gb
[{'answer': 'Sir Bradley Wiggins', 'provenance': [{'wikipedia_id': '3624090', 'title': 'Great Britain at the Olympics', 'start_paragraph_id': 3, 'start_character': 232, 'end_paragraph_id': 3, 'end_character': 251, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3624090', 'title': 'Great Britain at the Olympics', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 431, 'bleu_score': 0.9738505480425671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9207908137097406734}, 'section': 'Section::::Abstract.'}]}]