Question: when was the us department of labor created
[{'answer': 'March 4 , 1913', 'provenance': [{'wikipedia_id': '44273', 'title': 'United States Department of Labor', 'start_paragraph_id': 6, 'start_character': 157, 'end_paragraph_id': 6, 'end_character': 171, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}]