Question: when did veterans day changed back to november 11
[{'answer': '1978', 'provenance': [{'wikipedia_id': '168341', 'title': 'Veterans Day', 'start_paragraph_id': 10, 'start_character': 334, 'end_paragraph_id': 10, 'end_character': 338, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '168341', 'title': 'Veterans Day', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 625, 'bleu_score': 0.8224204646674561, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 120047544240546529}, 'section': 'Section::::History.\n'}]}]