Question: when did the dairy queen blizzard come out
[{'answer': '1988'}, {'provenance': [{'wikipedia_id': '379723', 'title': 'Dairy Queen', 'start_paragraph_id': 36, 'start_character': 0, 'end_paragraph_id': 36, 'end_character': 1084, 'bleu_score': 0.9427951268169921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 485199457683102956}, 'section': 'Section::::Products.\n'}]}]