<prompt> Translate the following text to SwahiliThis 1770s mansion was formerly the residence of viscount Powerscourt and still possesses some magnificent plasterwork, particularly in the rear exit hall.  <response>: Nyumba hii ya 1770 ilikuwa makazi ya Viscount Powerscourt na bado ina baadhi ya plasterwork ya ajabu, hasa katika ukumbi wa nyuma exit. 