<prompt> Nyorai kupfuurira kweiyi ndima - Mwaka we1959 Grand Prix wakaona Shelby achityaira Aston Martin DBR4 muDutch Grand Prix muna Chivabvu, ichiteverwa neBritish Grand Prix  <response>: muAintree muna July. Shelby akabva atyaira muPortugal Grand Prix muna Nyamavhuvhu, ichiteverwa neItaly Grand Prix munaGunyana. 