Question: who won the great british bale off 2017
[{'answer': 'Sophie Faldo', 'provenance': [{'wikipedia_id': '28962227', 'title': 'The Great British Bake Off', 'start_paragraph_id': 2, 'start_character': 400, 'end_paragraph_id': 2, 'end_character': 412, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28962227', 'title': 'The Great British Bake Off', 'start_paragraph_id': 42, 'start_character': 0, 'end_paragraph_id': 42, 'end_character': 432, 'bleu_score': 0.974188104609039, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5535790759471012614}, 'section': 'Section::::Series overview.:Series 8 (2017).\n'}]}]