<prompt> Translate the following text to SwahiliUpriver, east of Blois, in a huge densely wooded park surrounded by 31 km 20 miles of high walls, the brilliant white Ceteau de Chambord is the most extravagant of all the royal residences in the Loire Valley.  <response>: Upstream, mashariki ya Blois, katika bustani kubwa yenye misitu mikubwa iliyozungukwa na kuta za juu za kilomita 31, Cateau de Chambord nyeupe ya kipaji ni ya kifahari zaidi ya makazi yote ya kifalme katika Bonde la Loire. 