user: Question: Which building was built in 2015, has less than 40 floors and is larger than 509 feet?
Columns: ['Name', 'City', 'Metres', 'Feet', 'Floors', 'Finalized']
Types: ['text', 'text', 'real', 'real', 'real', 'text']
Sample row: ['Warsaw Spire', 'Warsaw', 220.0, 722.0, 49.0, '2014']
SQL:

assistant: SELECT "Metres" FROM "Table" WHERE "Finalized" = '2015' AND "Floors" < 40.0 AND "Feet" > 509.0;