<prompt> Qedela umusho olandelayo: Ngo-1993 nango-1994, uCoulthard wayeqashwe yiqembu leWilliams Grand Prix Engineering njengomshayeli walo osemthethweni wokuhlola. Isihlalo somjaho satholakala ngemva kokufa kuka-Ayrton Senna ngo  <response>: I-Grand Prix yaseSan Marino ka-1994. UCoulthard wathola ucingo oluvela kumphathi weqembu uFrank Williams ukuyohlola imoto kaWilliams esifundeni saseJerez izinsuku ezine, okwamenza waphuthelwa umjaho weFormula 3000 ePau. 