CREATE TABLE table_36853 ("City" CLOB, "State/Territory" CLOB, "IATA" CLOB, "ICAO" CLOB, "Airport" CLOB, "Begin" CLOB)

Which airport has perth as the city?
SELECT "Airport" FROM table_36853 WHERE "City" = 'perth'
SELECT "Airport" FROM "table_36853" WHERE "City" = 'perth'