CREATE TABLE table_203_603 (id NUMBER, "service" CLOB, "service id" CLOB, "bit rate" CLOB, "audio channels" CLOB, "description" CLOB, "analogue availability" CLOB)

which service has the lowest bit rate ?
SELECT "service" FROM table_203_603 ORDER BY "bit rate" LIMIT 1
SELECT "service" FROM "table_203_603" ORDER BY "bit rate" FETCH FIRST 1 ROWS ONLY