<prompt> Umsebenzi wakhe waqala ngo-1966 futhi wahlanganisa kokubili umsakazo nethelevishini.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yomusho ithi Umsebenzi wakhe waqala ngo-1966 futhi wahlanganisa kokubili umsakazo nethelevishini, futhi waba ngowesifazane wokuqala emakethe enkulu yomsakazo ukubamba iqhaza emdlalweni wezemidlalo ngo-1972 - 1979 no-1986 - 1991 noMike Edmonds. 