CREATE TABLE table_204_163 (id NUMBER, "airline" CLOB, "icao" CLOB, "iata" CLOB, "callsign" CLOB, "commenced\ operations" NUMBER)

which airlines have not commenced operations as of 2013 ?
SELECT "airline" FROM table_204_163 WHERE "commenced\noperations" IS NULL
SELECT "airline" FROM "table_204_163" WHERE "commenced\noperations" IS NULL