Question: when was the last time iowa won a bowl game
[{'answer': '2017', 'provenance': [{'wikipedia_id': '963244', 'title': 'Iowa Hawkeyes football', 'start_paragraph_id': 89, 'start_character': 11, 'end_paragraph_id': 89, 'end_character': 15, 'bleu_score': 1.0, 'section': 'Section::::Notable games and seasons.:2016: #2 Michigan at Iowa.\n'}]}]