Question: who won last chance kitchen joe or brother
[{'answer': 'Joseph', 'provenance': [{'wikipedia_id': '52988089', 'title': 'Top Chef (season 15)', 'start_paragraph_id': 1, 'start_character': 432, 'end_paragraph_id': 1, 'end_character': 438, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]