Question: who won last year's holiday baking championship
[{'answer': 'Aveed Dai', 'provenance': [{'wikipedia_id': '48654368', 'title': 'List of Holiday Baking Championship episodes', 'start_paragraph_id': 49, 'start_character': 18, 'end_paragraph_id': 49, 'end_character': 27, 'bleu_score': 1.0, 'section': 'Section::::Season 4.:Contestants.\n'}]}]