[['opponent', 'res', 'class', 'score', 'date', 'competition', 'notes'], ['win', 'lã¡zaro rivas', '54 kg', '8:0', '2000 - 06 - 09', '2000 summer olympics', 'won second olympic gold medal'], ['win', 'shamseddin khudoyberdiev', '54 kg', '3:2', '1999 - 05 - 31', '1999 asian championships', 'won third asian championship gold medal'], ['win', 'kang yong - gyun', '54 kg', '5:5', '1998 - 12 - 13', '1998 asian games', 'won second asian games gold medal'], ['win', 'marian sandu', '54 kg', '5:3', '1998 - 08 - 30', '1998 world championships', 'won second world championship gold medal'], ['win', 'aleksandr pavlov', '48 kg', '4:0', '1996 - 07 - 21', '1996 summer olympics', 'won first olympic gold medal'], ['win', 'kang yong - gyun', '48 kg', '11:0', '1996 - 04 - 06', '1996 asian championships', 'won second asian championship gold medal'], ['win', 'hiroshi kado', '48 kg', '6:0', '1995 - 10 - 14', '1995 world championships', 'won first world championship gold medal'], ['win', 'dmitri korshunov', '48 kg', '12:0', '1995 - 06 - 28', '1995 asian championships', 'won first asian championship gold medal'], ['win', 'reza simkhah', '48 kg', '7:0', '1994 - 10 - 05', '1994 asian games', 'won first asian games gold medal']]
there was at least 1 Competition a year between 1994 - 2000 except in 1997
there was at least 1 [ENT] a year between [ENT] [ENT] except in 1997