Question: when did the first asda open in uk
[{'answer': '1949', 'provenance': [{'wikipedia_id': '167937', 'title': 'Asda', 'start_paragraph_id': 1, 'start_character': 138, 'end_paragraph_id': 1, 'end_character': 142, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '167937', 'title': 'Asda', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 711, 'bleu_score': 0.779331384861574, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7151585267465947109}, 'section': 'Section::::Abstract.'}]}]