Question: when was the department of social development established
[{'answer': '1937', 'provenance': [{'wikipedia_id': '53949962', 'title': 'Department of Social Development (South Africa)', 'start_paragraph_id': 2, 'start_character': 40, 'end_paragraph_id': 2, 'end_character': 44, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]