<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.alitoweka kwa kushangaza mwishoni mwa mwaka 2017 kutoka nyumbani kwake karibu na kibiti, wilaya ya rufiji, mkoa wa pwani, tanzania.  <response>: mr. gwanda mysteriously disappeared in late 2017 from his home near kibiti, rufiji district, pwani region, tanzania. 