CREATE TABLE table_46797 ("Reserve" CLOB, "District" CLOB, "IUCN" CLOB, "Co-management" CLOB, "Est." FLOAT, "Description" CLOB)

Which district has an IUCN of iii and was established in 1998?
SELECT "District" FROM table_46797 WHERE "IUCN" = 'iii' AND "Est." = '1998'
SELECT "District" FROM "table_46797" WHERE "Est." = '1998' AND "IUCN" = 'iii'