Question: when did scotland last win the 5 nations
[{'answer': '1999', 'provenance': [{'wikipedia_id': '26547', 'title': 'Six Nations Championship', 'start_paragraph_id': 54, 'start_character': 102, 'end_paragraph_id': 54, 'end_character': 106, 'bleu_score': 1.0, 'section': 'Section::::Sponsorship.\n'}]}]