CREATE TABLE table_36862 ("Frequency" CLOB, "Name" CLOB, "Format" CLOB, "Call Sign" CLOB, "Covered Location" CLOB)

What format has the call sign DZFE?
SELECT "Format" FROM table_36862 WHERE "Call Sign" = 'dzfe'
SELECT "Format" FROM "table_36862" WHERE "Call Sign" = 'dzfe'