CREATE TABLE table_name_98 (iucn VARCHAR, est VARCHAR, reserve VARCHAR)

What is the IUCN for the Cockscomb Basin reserve when the Est. is less than 1998?
SELECT iucn FROM table_name_98 WHERE est < 1998 AND reserve = "cockscomb basin"
SELECT "iucn" FROM "table_name_98" WHERE "cockscomb basin" = "reserve" AND "est" < 1998