Question: when did marks and spencer start accepting credit cards
[{'answer': '2001', 'provenance': [{'wikipedia_id': '154557', 'title': 'Marks & Spencer', 'start_paragraph_id': 22, 'start_character': 382, 'end_paragraph_id': 22, 'end_character': 386, 'bleu_score': 1.0, 'section': 'Section::::History.:International expansion.\n'}]}, {'provenance': [{'wikipedia_id': '154557', 'title': 'Marks & Spencer', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 658, 'bleu_score': 0.9513840121740441, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6784803051441764065}, 'section': 'Section::::History.:Financial decline.\n'}]}]