Question: when did paper £5 notes stop being legal tender
[{'answer': '5 May 2017', 'provenance': [{'wikipedia_id': '50344748', 'title': 'Bank of England £5 note', 'start_paragraph_id': 1, 'start_character': 490, 'end_paragraph_id': 1, 'end_character': 500, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '50344748', 'title': 'Bank of England £5 note', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 500, 'bleu_score': 0.978606533029418, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4078244867981563279}, 'section': 'Section::::Abstract.'}]}]