<prompt> Tlatša polelwana e latelago: Ka 1970, Bartlett o ile a ya United States go yo phadišana ka go USAC Championship aka Indy Car lelokelelo, a leka gomme a palelwa ke go tsenela  <response>: Indianapolis 500 e be e le e kgolo kudu. Bartlett o ile a phenkgišana diphenkgišanong tše dingwe tše tharo tša Indy Car, eupša o ile a palelwa ke go fetša. 