Question: when did the drinking age change to 19 in wisconsin
[{'answer': 'July 1 , 1984', 'provenance': [{'wikipedia_id': '25239131', 'title': 'Alcohol laws of Wisconsin', 'start_paragraph_id': 15, 'start_character': 37, 'end_paragraph_id': 15, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Drinking age.\n'}]}, {'provenance': [{'wikipedia_id': '25239131', 'title': 'Alcohol laws of Wisconsin', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 325, 'bleu_score': 0.9645876452711911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11863809631459994545}, 'section': 'Section::::Drinking age.\n'}]}]