<prompt> Pedzisa mutsara unotevera: Köster akawanawo menduru dzegoridhe ina paICF Canoe Sprint World Championships nemimwe miviri muK-2 500 m chiitiko zvose 1974 uye  <response>: 1975 uye maviri muK-4 500 m chiitiko zvose 1974 uye 1975. 