Question: when did the first starbucks open in the uk
[{'answer': 'in 1998', 'provenance': [{'wikipedia_id': '178771', 'title': 'Starbucks', 'start_paragraph_id': 17, 'start_character': 306, 'end_paragraph_id': 17, 'end_character': 313, 'bleu_score': 1.0, 'section': 'Section::::History.:Expansion to new markets and products.\n'}]}, {'provenance': [{'wikipedia_id': '178771', 'title': 'Starbucks', 'start_paragraph_id': 17, 'start_character': 0, 'end_paragraph_id': 17, 'end_character': 446, 'bleu_score': 0.602925960424963, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15238711551134360219}, 'section': 'Section::::History.:Expansion to new markets and products.\n'}]}]