<prompt> Qedela umusho olandelayo: Emjahweni wase-Indianapolis 500, inombolo yemoto kaLuyendyk yaba 1 ngoba umjaho wawugunyazwe yi-USAC futhi uLuyendyk wayinqobile umjaho  <response>: ngonyaka odlule futhi iqembu lizothola uxhaso oluvela ku-RCA. Leli qembu lahlose ukufaka imoto yesibili no-Al Unser, Sr. njengomshayeli, kodwa iqembu ekugcineni linqume ukungasusi ukugxila kuLuyendyk, yize isivumelwano sokuqashiswa kwenjini senqatshelwe. U-Luyendyk wayengumuntu wesithathu osheshayo, kodwa ekugcineni uzoqala endaweni ye-14, ngenxa yokuba ngumhla wesibili wokufaneleka futhi uqale ngemuva kokufaneleka kwePole Day. Emncintiswaneni, uLuyendyk waqeda endaweni yesithathu, esehliswe ngo-lap elilodwa. 