CREATE TABLE table_25229 ("Stage" FLOAT, "Winner" TEXT, "General classification" TEXT, "Points classification" TEXT, "Mountains classification" TEXT, "Young rider classification" TEXT, "Team classification" TEXT, "Combativity award" TEXT)

Who was the general classification leader when the young rider classification leader was Salvatore Commesso and the winner was Erik Dekker?
SELECT "General classification" FROM table_25229 WHERE "Young rider classification" = 'Salvatore Commesso' AND "Winner" = 'Erik Dekker'
SELECT "General classification" FROM "table_25229" WHERE "Winner" = 'Erik Dekker' AND "Young rider classification" = 'Salvatore Commesso'