Question: when did canada stop using 2 dollar bills
[{'answer': '1996', 'provenance': [{'wikipedia_id': '1618614', 'title': 'Withdrawn Canadian banknotes', 'start_paragraph_id': 19, 'start_character': 47, 'end_paragraph_id': 19, 'end_character': 51, 'bleu_score': 1.0, 'section': 'Section::::Bank of Canada notes.:$2.\n'}]}, {'provenance': [{'wikipedia_id': '1618614', 'title': 'Withdrawn Canadian banknotes', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 630, 'bleu_score': 0.899641671513358, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16959210802254947602}, 'section': 'Section::::Bank of Canada notes.:$2.\n'}]}]