Question: who won the great british bake off season 8
[{'answer': 'Sophie Faldo', 'provenance': [{'wikipedia_id': '52266244', 'title': 'The Great British Bake Off (series 8)', 'start_paragraph_id': 2, 'start_character': 23, 'end_paragraph_id': 2, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '52266244', 'title': 'The Great British Bake Off (series 8)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 100, 'bleu_score': 0.8914703664390791, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14406818511927792282}, 'section': 'Section::::Abstract.'}]}]