Question: who won great british bake off season 7
[{'answer': 'Candice Brown', 'provenance': [{'wikipedia_id': '51261064', 'title': 'The Great British Bake Off (series 7)', 'start_paragraph_id': 2, 'start_character': 355, 'end_paragraph_id': 2, 'end_character': 368, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51261064', 'title': 'The Great British Bake Off (series 7)', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 427, 'bleu_score': 0.976043556018343, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8490382555278402948}, 'section': 'Section::::Abstract.'}]}]