<s>[INST] <<SYS>>
You are a helpful, respectful and honest assistant. Always answer as helpfully as possible, while being safe.  Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature.
If a question does not make any sense, or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
<</SYS>>

Extract from the following context the minimal span word for word that best answers the question. Think step by step and explain your reasoning. Then give the answer in JSON format as follows:
```json
{
  "answer": ...
}
```
If the answer is not in the context, the answer should be "?".
Question: في أي قرن كانت ساعات عمل مؤسسات الشرب محدودة لأول مرة ؟
Context: من منتصف القرن 19th على ساعات العمل من المباني المرخصة في المملكة المتحدة تم تقييدها . ومع ذلك ، تم تحرير الترخيص تدريجيا بعد 1960s ، حتى أصبحت طلبات الترخيص المتنازع عليها نادرة جدا ، وتم نقل الوظيفة الإدارية المتبقية إلى السلطات المحلية في عام 2005 . [/INST] ```json
{<answer_start>
  "answer": "19"
  <answer_end>
}
``` </s>
من منتصف القرن 19th على ساعات العمل من المباني المرخصة في المملكة المتحدة تم تقييدها . ومع ذلك ، تم تحرير الترخيص تدريجيا بعد 1960s ، حتى أصبحت طلبات الترخيص المتنازع عليها نادرة جدا ، وتم نقل الوظيفة الإدارية المتبقية إلى السلطات المحلية في عام 2005 .
في أي قرن كانت ساعات عمل مؤسسات الشرب محدودة لأول مرة ؟
{'answer_start': [15], 'text': ['19']}