<prompt> Tlatša polelwana ye e latelago: Sehla sa 1959 sa Grand Prix se bone Shelby a otlela Aston Martin DBR4 go Dutch Grand Prix ka May, gomme a latelwa ke  <response>: British Grand Prix kua Aintree ka July. Shelby ka morago o ile a otlela ka Portuguese Grand Prix ka August, a latelwa ke Grand Prix ya Italy ka September. 