<prompt> Pedzisa mutsara unotevera: PC1 yakaita kutanga kwayo pa1974 Canadian Grand Prix naDonohue achikwikwidza 24th uye kupedza 12th. Donohue akarega kumhanya kwake naPenske pamakwikwi emumba akazotevera  <response>: 1974 United States Grand Prix yakaitwa paWatkins Glen mushure mokunge vakwanisa 14th, vakakundikana kupedzisa nhangemutange nekuda kwekukanganisa kumashure. 