Question: who won the great american bake off 2017
[{'answer': 'Vallery Lomas', 'provenance': [{'wikipedia_id': '52757952', 'title': 'The Great American Baking Show', 'start_paragraph_id': 10, 'start_character': 576, 'end_paragraph_id': 10, 'end_character': 589, 'bleu_score': 1.0, 'section': 'Section::::Season overview.:Season 3 (2017).\n'}]}, {'provenance': [{'wikipedia_id': '52757952', 'title': 'The Great American Baking Show', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 670, 'bleu_score': 0.5617936434244271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14915888929866450563}, 'section': 'Section::::Season overview.:Season 3 (2017).\n'}]}]