<prompt> Qedela umusho olandelayo: I-PC1 yaqala ukubonakala ku-1974 Canadian Grand Prix noDonohue efika endaweni yama-24 futhi eqeda endaweni ye-12. UDonohue washiya umjaho wasekhaya wakhe noPenske emncintiswaneni owalandela  <response>: I-United States Grand Prix ka-1974 eyabanjelwa eWatkins Glen ngemuva kokufaneleka ngo-14, yehluleka ukuqeda umjaho ngenxa yokwehluleka kokumiswa kwangemuva. 