Question: when was the last time scotland qualified for the world cup
[{'answer': '2018', 'provenance': [{'wikipedia_id': '27421172', 'title': 'Scotland at the FIFA World Cup', 'start_paragraph_id': 35, 'start_character': 25, 'end_paragraph_id': 35, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::History.:2010s.\n'}]}]