<prompt> Qedela umusho olandelayo: I-Galles Racing iyithimba lomjaho wezimoto elalikade liphethwe nguRick Galles elaliqhudelana ochungechungeni lwe-CART, i-Can-Am ne-Indy Racing League. Leli qembu laphumelela ngo-1990 CART ubuqhawe kanye 1992 Indianapolis 500 nge umshayeli Al Unser, Jr. Ithimba won ingqikithi 21 Indy car imijaho kulo lonke umlando walo. Ngaphezu kokunqoba kuka-Unser ngo-1992, iqembu laqeda endaweni yesibili e-Indianapolis izikhathi ezintathu ezihlukene 1989,  <response>: 1990, 1996. 