In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.

Context: "Chalk-girl"drew this,detained 17hrs in police station&sent to Children's Home to wait for her next trial til mid-Jan Amberbrella (@Amberbrella) December 31, 2014 Answer: 17 hours
for how many hours was the chalk girl detained?