<prompt> Bhala ukuqhubeka kwalesi sigaba - Ngo-1970, uBartlett waya e-United States ukuyokuncintisana ochungechungeni lwe-USAC Championship aka Indy Car, ezama futhi ehluleka ukufanelekela i-Indianapolis 500  <response>: . futhi. UBartlett waqhudelana eminye imijaho emithathu ye-Indy Car, kodwa wehluleka ukuqeda. 