CREATE TABLE table_66058 ("Currency" CLOB, "Code" CLOB, "Entry ERM II" CLOB, "Central rate" CLOB, "Official target date" CLOB)

What type of currency has a code of SEK?
SELECT "Currency" FROM table_66058 WHERE "Code" = 'sek'
SELECT "Currency" FROM "table_66058" WHERE "Code" = 'sek'