Question: when did they change armistice day to remembrance day
[{'answer': '11 November 1919', 'provenance': [{'wikipedia_id': '92231', 'title': 'Armistice Day', 'start_paragraph_id': 6, 'start_character': 319, 'end_paragraph_id': 6, 'end_character': 335, 'bleu_score': 1.0, 'section': 'Section::::History in Allied countries.\n'}]}, {'provenance': [{'wikipedia_id': '92231', 'title': 'Armistice Day', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 397, 'bleu_score': 0.7831349183170101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 965576515700442434}, 'section': 'Section::::History in Allied countries.\n'}]}]