Question: when did federal controls over the drug supply began in the united states
[{'answer': 'June 1906', 'provenance': [{'wikipedia_id': '11632', 'title': 'Food and Drug Administration', 'start_paragraph_id': 121, 'start_character': 3, 'end_paragraph_id': 121, 'end_character': 12, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '11632', 'title': 'Food and Drug Administration', 'start_paragraph_id': 121, 'start_character': 0, 'end_paragraph_id': 121, 'end_character': 542, 'bleu_score': 0.9483044717870771, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17161214995669812793}, 'section': 'Section::::History.\n'}]}]