Question: when did the canadian 2 dollar bill stop
[{'answer': 'February 18 , 1996', 'provenance': [{'wikipedia_id': '1618614', 'title': 'Withdrawn Canadian banknotes', 'start_paragraph_id': 19, 'start_character': 34, 'end_paragraph_id': 19, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Bank of Canada notes.:$2.\n'}]}, {'provenance': [{'wikipedia_id': '1618614', 'title': 'Withdrawn Canadian banknotes', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 630, 'bleu_score': 0.9522287480520011, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14251900782328852719}, 'section': 'Section::::Bank of Canada notes.:$2.\n'}]}]