Question: when did the uk last have a blue passport
[{'answer': '1988', 'provenance': [{'wikipedia_id': '2483028', 'title': 'British passport', 'start_paragraph_id': 3, 'start_character': 3, 'end_paragraph_id': 3, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]