<prompt> Pedzisa mutsara unotevera: Galles Racing yaimbova chikwata chemitambo yemotokari chaiva chaRick Galles icho chakakwikwidza muCART series, Can-Am uye Indy Racing League. Chikwata chakakunda 1990 CART championship pamwe ne  <response>: 1992 Indianapolis 500 nemutyairi Al Unser, Jr. Chikwata ichi chakakunda makwikwi eIndy mota anosvika makumi maviri nerimwe munhoroondo yayo. Mukuwedzera kukunda kwaUnser muna 1992, chikwata chakapedza chechipiri muIndianapolis pazviitiko zvitatu zvakasiyana 1989, 1990, 1996. 