<prompt> Translate the following text to SwahiliFearing his powers might be waning as he approached 30, Nash decided he would solve the most important unresolved problem in the Riemann Zeta conjecture.  <response>: Alipoogopa kwamba nguvu zake zingekuwa zikipungua alipokaribia miaka 30, Nash aliamua kwamba angetatua tatizo muhimu zaidi lisilotatuliwa katika dhana ya Riemann-Zeta. 