CREATE TABLE table_203_657 (id DECIMAL, "call sign" TEXT, "frequency" TEXT, "city of license" TEXT, "licensee" TEXT, "format" TEXT)

how many stations have the same format as the station klfv ?
SELECT COUNT(*) FROM table_203_657 WHERE "call sign" <> 'klfv' AND "format" = (SELECT "format" FROM table_203_657 WHERE "call sign" = 'klfv')
SELECT COUNT(*) FROM "table_203_657" WHERE "call sign" <> 'klfv' AND "format" = (SELECT "format" FROM "table_203_657" WHERE "call sign" = 'klfv')