<prompt> Translate the following text to SwahiliBut thankfully, CaleLlongas worst problems are a thing of the past, and pollution, which was once rampant, has been halted by the construction of a sewage plant some distance away.  <response>: Lakini kwa bahati nzuri, matatizo mabaya zaidi ya CaleLonga ni jambo la zamani, na uchafuzi, ambao wakati mmoja ulikuwa mwingi, umesimama kwa ujenzi wa kituo cha maji machafu umbali fulani. 