user: Question: Which is the highest ranked building with more than 15 floors?
Columns: ['Rank', 'Name', 'Height ft (m)', 'Floors (Stories)', 'Year Completed']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Metro Tower', '274 (84)', 20.0, 1955.0]
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "Floors (Stories)" > 15.0;