Question: who won rupaul's drag race all stars season 1
[{'answer': 'Chad Michaels', 'provenance': [{'wikipedia_id': '36652636', 'title': "RuPaul's Drag Race All Stars (season 1)", 'start_paragraph_id': 4, 'start_character': 69, 'end_paragraph_id': 4, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]