CREATE TABLE table_8239 ("ISLAND" CLOB, "CITY / TOWN" CLOB, "ICAO" CLOB, "IATA" CLOB, "AIRPORTNAME" CLOB)

Which city has an ICAO of gvsf?
SELECT "CITY / TOWN" FROM table_8239 WHERE "ICAO" = 'gvsf'
SELECT "CITY / TOWN" FROM "table_8239" WHERE "ICAO" = 'gvsf'