Question: when was the last time the us did not qualify for the world cup
[{'answer': '2018', 'provenance': [{'wikipedia_id': '40877989', 'title': 'United States at the FIFA World Cup', 'start_paragraph_id': 1, 'start_character': 465, 'end_paragraph_id': 1, 'end_character': 469, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]