Question: when was the last time nevada was in the sweet 16
[{'answer': '2018', 'provenance': [{'wikipedia_id': '7406078', 'title': "Nevada Wolf Pack men's basketball", 'start_paragraph_id': 25, 'start_character': 89, 'end_paragraph_id': 25, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Team history.\n'}]}]