Question: when did scotland last play in the world cup
[{'answer': '1998', 'provenance': [{'wikipedia_id': '27421172', 'title': 'Scotland at the FIFA World Cup', 'start_paragraph_id': 28, 'start_character': 53, 'end_paragraph_id': 28, 'end_character': 57, 'bleu_score': 1.0, 'section': 'Section::::History.:1990s.\n'}]}]