<prompt> Translate the following text to SwahiliThere are 18th-century royal portraits in the Salen Azul Blue Room and archives that preserve the document of privileges granted to the city by Alfonso X, the Wise, in the 13th century.  <response>: Katika jumba la Salen Azul, kuna picha za kifalme za karne ya 18 na kumbukumbu za hati ya mapendeleo iliyotolewa kwa mji na Alfonso X, Mjuzi, katika karne ya 13. 