CREATE TABLE table_4418 ("Pick" CLOB, "Player" CLOB, "Position" CLOB, "Nationality" CLOB, "NHL team" CLOB, "College/junior/club team" CLOB)

Tell me the nationality for pick of 18
SELECT "Nationality" FROM table_4418 WHERE "Pick" = '18'
SELECT "Nationality" FROM "table_4418" WHERE "Pick" = '18'