Question: when did great britain change its name to united kingdom
[{'answer': '1801', 'provenance': [{'wikipedia_id': '15850660', 'title': 'History of the formation of the United Kingdom', 'start_paragraph_id': 3, 'start_character': 224, 'end_paragraph_id': 3, 'end_character': 228, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15850660', 'title': 'History of the formation of the United Kingdom', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 533, 'bleu_score': 0.978606533029418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3944503857353264658}, 'section': 'Section::::Abstract.'}]}]