<prompt> Translate the following text to SwahiliThe remains of Williams solid 11th-century castle house an ex?cellent collection of Euro?pean painting in the Mus??e des Beaux-Arts.  <response>: Sehemu ya nyuma ya ngome ya William ya karne ya 11 ina mkusanyiko mzuri wa uchoraji wa Ulaya katika Jumba la Sanaa la Musée des Beaux-Arts. 