CREATE TABLE table_name_33 (metres NUMBER, feet VARCHAR2, finalized VARCHAR2, floors VARCHAR2)

Which building was built in 2015, has less than 40 floors and is larger than 509 feet?
SELECT MAX(metres) FROM table_name_33 WHERE finalized = "2015" AND floors < 40 AND feet > 509
SELECT MAX("metres") FROM "table_name_33" WHERE "2015" = "finalized" AND "feet" > 509 AND "floors" < 40