Question: when did the united states adopt the gregorian calendar
[{'answer': '1752', 'provenance': [{'wikipedia_id': '44100110', 'title': 'Adoption of the Gregorian calendar', 'start_paragraph_id': 19, 'start_character': 172, 'end_paragraph_id': 19, 'end_character': 176, 'bleu_score': 1.0, 'section': 'Section::::Adoption in Protestant countries.:Great Britain and its colonies.\n'}]}, {'provenance': [{'wikipedia_id': '44100110', 'title': 'Adoption of the Gregorian calendar', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 701, 'bleu_score': 0.946363164947644, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15000623087346312185}, 'section': 'Section::::Adoption in Protestant countries.:Great Britain and its colonies.\n'}]}]