CREATE TABLE table_54805 ("Frequency" CLOB, "Call sign" CLOB, "Name" CLOB, "Format" CLOB, "Owner" CLOB)

What is the call sign of the Classic Country Music station?
SELECT "Call sign" FROM table_54805 WHERE "Format" = 'classic country'
SELECT "Call sign" FROM "table_54805" WHERE "Format" = 'classic country'