Question: when did the fcc drop the morse code requirement
[{'answer': 'February 23 , 2007', 'provenance': [{'wikipedia_id': '3715250', 'title': 'Amateur radio licensing in the United States', 'start_paragraph_id': 63, 'start_character': 272, 'end_paragraph_id': 63, 'end_character': 290, 'bleu_score': 1.0, 'section': 'Section::::History of U.S. amateur licensing.:End of Morse code requirement.\n'}]}, {'provenance': [{'wikipedia_id': '3715250', 'title': 'Amateur radio licensing in the United States', 'start_paragraph_id': 63, 'start_character': 0, 'end_paragraph_id': 63, 'end_character': 459, 'bleu_score': 0.972407137066537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8371356468900305336}, 'section': 'Section::::History of U.S. amateur licensing.:End of Morse code requirement.\n'}]}]