<prompt> Qedela umusho olandelayo: UMasta walahlekelwa umjaho we-F1 ngemva kwesizini ka-1970. Umkhankaso kaJackie Stewart wokuthuthukisa ukuphepha emjahweni waqala ngenxa yokushayisana kwakhe lapho ngo  <response>: Ngo-1966, lapho i-BRM yakhe iphelela phezulu emseleni eduze kwendlu yasemapulazini engaphandle kwekhoneni, uphethiloli uphuma ethangini uwela kuStewart, owayenemibambo eyaphukile. Ngalesi sikhathi, abashayeli abaningi beFomula One babengathandi iSpa kufaka phakathi uStewart noJim Clark, ababenokunqoba kwakhe okukhulu lapho ngenxa yejubane elikhulu elalihlala lisemzileni. Ngenkathi ebukele amahora ayi-12 kaSebring ngo-1972, uStewart wazama ukuhlela umjaho we-Spa 1000 km ngalowo nyaka, isinyathelo esingahlonishwanga ngabashayeli abaningi, ngoba iSpa yayisathandwa ngabashayeli bomjaho ngaphandle kweFormula One. UStewart kamuva wachaza isifunda esidala se-Spa ngo-1986 ngokuthi sinonya njengengwe, futhi kamuva wachaza iMasta kwinhlolokhono ngo-2011 njengokungenzeka ukuthi iyikona elinzima kunazo zonke kunoma iyiphi indawo yomjaho ayegijima kuyo emsebenzini wakhe; ngisho nangaphezulu kwe-Eau Rouge. 