Question: what was blur's first number one single in the uk
[{'answer': 'Country House', 'provenance': [{'wikipedia_id': '43007', 'title': 'Blur (band)', 'start_paragraph_id': 14, 'start_character': 422, 'end_paragraph_id': 14, 'end_character': 435, 'bleu_score': 1.0, 'section': 'Section::::History.:Britpop years, 1992–1995.\n'}]}, {'provenance': [{'wikipedia_id': '43007', 'title': 'Blur (band)', 'start_paragraph_id': 14, 'start_character': 0, 'end_paragraph_id': 14, 'end_character': 1020, 'bleu_score': 0.9881300380564421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12696752132529131184}, 'section': 'Section::::History.:Britpop years, 1992–1995.\n'}]}]