Question: when did the sedition act of 1918 end
[{'answer': 'December 13 , 1920', 'provenance': [{'wikipedia_id': '573930', 'title': 'Sedition Act of 1918', 'start_paragraph_id': 18, 'start_character': 84, 'end_paragraph_id': 18, 'end_character': 102, 'bleu_score': 1.0, 'section': 'Section::::Enforcement.\n'}]}, {'provenance': [{'wikipedia_id': '573930', 'title': 'Sedition Act of 1918', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 648, 'bleu_score': 0.982060959997838, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16195128302359767001}, 'section': 'Section::::Abstract.'}]}]