Question: when did the united kingdom became a country
[{'answer': '1707', 'provenance': [{'wikipedia_id': '31717', 'title': 'United Kingdom', 'start_paragraph_id': 3, 'start_character': 802, 'end_paragraph_id': 3, 'end_character': 806, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '31717', 'title': 'United Kingdom', 'start_paragraph_id': 3, 'start_character': 664, 'end_paragraph_id': 3, 'end_character': 1437, 'bleu_score': 0.7033080135128, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9583380137760681799}, 'section': 'Section::::Abstract.'}]}]