CREATE TABLE table_32901 ("Stage" CLOB, "Winner" CLOB, "General classification" CLOB, "Points classification" CLOB, "Young rider classification" CLOB, "Team classification" CLOB)

What Young rider classification has a Stage of 18?
SELECT "Young rider classification" FROM table_32901 WHERE "Stage" = '18'
SELECT "Young rider classification" FROM "table_32901" WHERE "Stage" = '18'