IATA ของสนามบินใดคือ SEA?ไม่จำเป็นต้องใช้ตารางทั้งหมด
What Airport's IATA is SEA?It is not neccessary to use all the tables.
 table_79540:  "City" [ text]  "Country" [ text]  "IATA" [ text]  "ICAO" [ text]  "Airport" [ text] 
SELECT "Airport" FROM table_79540 WHERE "IATA" = 'sea'