Question: when was corporal punishment banned in south african schools
[{'answer': '1996', 'provenance': [{'wikipedia_id': '20411847', 'title': 'School corporal punishment', 'start_paragraph_id': 110, 'start_character': 91, 'end_paragraph_id': 110, 'end_character': 95, 'bleu_score': 1.0, 'section': 'Section::::By country.:South Africa.\n'}]}, {'provenance': [{'wikipedia_id': '20411847', 'title': 'School corporal punishment', 'start_paragraph_id': 110, 'start_character': 0, 'end_paragraph_id': 110, 'end_character': 131, 'bleu_score': 0.9146912192286941, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18200560138889163984}, 'section': 'Section::::By country.:South Africa.\n'}]}]