<prompt> Translate the following text to EnglishJumba la kifalme la Istana Lama lilikuwa makao rasmi ya familia ya kifalme hadi mwaka 1931, na lilibadilisha jumba la kifalme lililokuwa limechomwa moto.  <response>: The rulers palace, Istana Lama, was the official residence of the royal family until 1931, replacing an earlier palace which had burnt down. 