CREATE TABLE table_203_749 (id NUMBER, "call sign" CLOB, "frequency" CLOB, "city of license" CLOB, "licensee" CLOB, "format" CLOB)

kbmk and kbyz call signs both have a city of license listed as what city ?
SELECT "city of license" FROM table_203_749 WHERE "call sign" = 'kbmk'
SELECT "city of license" FROM "table_203_749" WHERE "call sign" = 'kbmk'