Ervin Hoffmann
He won 11 medals at the ICF Canoe Sprint World Championships with four golds ( C-4 200 m: 1995 , C-4 500 m: 1993 , 1994 , 1995 ) and seven silvers ( C-1 200 m: 1994 , C-4 200 m: 1994 , 1997; C-4 500 m: 1989 , 1990; C-4 1000 m: 1989 , 1990 ) . 
<triplet> 1995 <subj> ICF Canoe Sprint World Championships <obj> instance of