Question: who wins the great british baking show season 3
[{'answer': 'John', 'provenance': [{'wikipedia_id': '38293554', 'title': 'The Great British Bake Off (series 3)', 'start_paragraph_id': 2, 'start_character': 145, 'end_paragraph_id': 2, 'end_character': 149, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]