Question: when did the last residential school close canada
[{'answer': '1996', 'provenance': [{'wikipedia_id': '949755', 'title': 'Canadian Indian residential school system', 'start_paragraph_id': 2, 'start_character': 925, 'end_paragraph_id': 2, 'end_character': 929, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '949755', 'title': 'Canadian Indian residential school system', 'start_paragraph_id': 24, 'start_character': 0, 'end_paragraph_id': 24, 'end_character': 642, 'bleu_score': 0.9802931511945101, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9735707901174656296}, 'section': 'Section::::History.:Government involvement.\n'}]}]