<prompt> Translate the following text to SwahiliThe Washington Legal Foundation a Washington, D.C., organization that defends private property rights sued in federal court in 1997 to overturn the practice.  <response>: Shirika la Washington Legal Foundation, ambalo ni shirika la Washington D.C. linalotetea haki za mali binafsi, lilimshtaki mahakama ya shirikisho mwaka 1997 ili kufuta sheria hiyo. 