Question: when was south oak cliff high school built
[{'answer': '1952', 'provenance': [{'wikipedia_id': '3341212', 'title': 'South Oak Cliff High School', 'start_paragraph_id': 5, 'start_character': 26, 'end_paragraph_id': 5, 'end_character': 30, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '3341212', 'title': 'South Oak Cliff High School', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 873, 'bleu_score': 0.9866213202385071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7948423704320950300}, 'section': 'Section::::History.\n'}]}]