Question: when did banks stop printing their own money
[{'answer': '1930s', 'provenance': [{'wikipedia_id': '1970741', 'title': 'National Bank Note', 'start_paragraph_id': 18, 'start_character': 82, 'end_paragraph_id': 18, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::End of the program.\n'}]}, {'provenance': [{'wikipedia_id': '1970741', 'title': 'National Bank Note', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 466, 'bleu_score': 0.9738505480425671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11684045906027705196}, 'section': 'Section::::End of the program.\n'}]}]