Question: how old do you have to be to serve alcohol in pennsylvania
[{'answer': '18', 'provenance': [{'wikipedia_id': '17077510', 'title': 'Alcohol laws of Pennsylvania', 'start_paragraph_id': 46, 'start_character': 208, 'end_paragraph_id': 46, 'end_character': 210, 'bleu_score': 1.0, 'section': 'Section::::Drinking age.\n'}]}, {'provenance': [{'wikipedia_id': '17077510', 'title': 'Alcohol laws of Pennsylvania', 'start_paragraph_id': 46, 'start_character': 0, 'end_paragraph_id': 46, 'end_character': 465, 'bleu_score': 0.9738505480425671, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13145984761301635007}, 'section': 'Section::::Drinking age.\n'}]}]