<prompt> Bhala okuqhubekayo kwalesi sigaba - U-Unser umemezele ebhokisini ukuthi umfowabo u-Al uwine irekhodi le-Indy 500 ngo-1987 nokuthi u-Al uwine i-CART ngo-1985. Wabuye wabiza umshana wakhe u-Al Jr. ngowokuqala ukunqoba i-Indy 500 ngo-1992 e-Indianapolis 500  <response>: futhi yesibili ngo-1994. 