Question: when was the federal bureau of narcotics (now the dea) established
[{'answer': 'June 14 , 1930', 'provenance': [{'wikipedia_id': '1773822', 'title': 'Federal Bureau of Narcotics', 'start_paragraph_id': 1, 'start_character': 160, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1773822', 'title': 'Federal Bureau of Narcotics', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 466, 'bleu_score': 0.9731482306711111, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 15376279073916958334}, 'section': 'Section::::Abstract.'}]}]