<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-1952, uKavanagh waba ngumuntu wokuqala wase-Australia ukunqoba umjaho we-Grand Prix ngesithuthuthu lapho enqoba i-Ulster Grand Prix engu-350cc. Ngo-1956, wanqoba i-Junior TT emjahweni we-Isle of Man TT. U-Kavanagh wangena emiqhudelwaneni emibili ye-Formula One Grand Prix ngo-1958 nge-Maserati 250F yakhe, okokuqala eMonaco  <response>: lapho ehluleka khona ukufaneleka, futhi ekugcineni eGrand Prix yaseBelgium lapho ephuthelwa khona umjaho ngenxa yokuqhuma kwenjini yakhe ekuvivinyweni, ngemuva kokufaneleka njengo-20 kwabangenele abangu-28. 