Question: who won season 8 of hell's kitchen
[{'answer': 'Nona Sivley', 'provenance': [{'wikipedia_id': '28498472', 'title': "Hell's Kitchen (American season 8)", 'start_paragraph_id': 1, 'start_character': 214, 'end_paragraph_id': 1, 'end_character': 225, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28498472', 'title': "Hell's Kitchen (American season 8)", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 423, 'bleu_score': 0.923732788176137, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8222032834363526661}, 'section': 'Section::::Abstract.'}]}]