CREATE TABLE table_name_38 (giro_di_lombardia VARCHAR2, paris_roubaix VARCHAR2)

Which Giro di Lombardia has a Paris Roubaix of servais knaven ( ned )?
SELECT giro_di_lombardia FROM table_name_38 WHERE paris_roubaix = "servais knaven ( ned )"
SELECT "giro_di_lombardia" FROM "table_name_38" WHERE "paris_roubaix" = "servais knaven ( ned )"