<prompt> Bhala okuqhubekayo kwalesi sigaba - Isizini yoMqhudelwano Wegolide we-USAC ngo-1993 kuya ku-1994 yayihlanganisa umjaho owodwa, i-78th Indianapolis 500  <response>: ngo - May 29, 1994. Umpetha we-USAC National futhi owawina i-Indianapolis 500 kwakungu-Al Unser Jr. 