Question: where was the last winter olympics held in us
[{'answer': 'Salt Lake City , Utah', 'provenance': [{'wikipedia_id': '2112059', 'title': 'United States at the Olympics', 'start_paragraph_id': 41, 'start_character': 110, 'end_paragraph_id': 41, 'end_character': 128, 'bleu_score': 0.668740304976422, 'section': 'Section::::Russia–United States rivalry.:Ice hockey.\n'}]}]