Question: who won the hell's kitchen all stars
[{'answer': 'Michelle Tribble', 'provenance': [{'wikipedia_id': '52924169', 'title': "Hell's Kitchen (American season 17)", 'start_paragraph_id': 1, 'start_character': 1167, 'end_paragraph_id': 1, 'end_character': 1183, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]