Given the task definition and input, reply with output. 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: @ErrolCNN @iHub on the 4th floor of the Bishop Magua Centre on Ngong Road (directly opposite the Uchumi Hyper) Cherrie Em (@Cherieem) May 15, 2012 Answer: directly opposite the uchumi hyper
where is ngong road located?