Question: when did the first ikea open in the uk
[{'answer': '1987', 'provenance': [{'wikipedia_id': '14751', 'title': 'IKEA', 'start_paragraph_id': 8, 'start_character': 437, 'end_paragraph_id': 8, 'end_character': 441, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '14751', 'title': 'IKEA', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 797, 'bleu_score': 0.7631805889391801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15980275426481994185}, 'section': 'Section::::History.\n'}]}]