CREATE TABLE table_name_48 (revised VARCHAR2, mccune_reischauer VARCHAR2)

Tell me the revised of mccune reischauer of y n (s) ry n (n)
SELECT revised FROM table_name_48 WHERE mccune_reischauer = "yŏn (s) ryŏn (n)"
SELECT "revised" FROM "table_name_48" WHERE "mccune_reischauer" = "yŏn (s) ryŏn (n)"