Question: when did roughing the kicker become a rule
[{'answer': '1914', 'provenance': [{'wikipedia_id': '19996966', 'title': 'Roughing the kicker', 'start_paragraph_id': 6, 'start_character': 3, 'end_paragraph_id': 6, 'end_character': 7, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '19996966', 'title': 'Roughing the kicker', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 124, 'bleu_score': 0.910879922930628, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12752343364892548295}, 'section': 'Section::::History.\n'}]}]