Question: when was the strap banned in ontario schools
[{'answer': '2004', 'provenance': [{'wikipedia_id': '20411847', 'title': 'School corporal punishment', 'start_paragraph_id': 46, 'start_character': 68, 'end_paragraph_id': 46, 'end_character': 72, 'bleu_score': 1.0, 'section': 'Section::::By country.:Canada.\n'}]}, {'provenance': [{'wikipedia_id': '20411847', 'title': 'School corporal punishment', 'start_paragraph_id': 47, 'start_character': 0, 'end_paragraph_id': 47, 'end_character': 537, 'bleu_score': 0.976327165973018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4330509364060686665}, 'section': 'Section::::By country.:Canada.\n'}]}]