user: Question: What is the number of floors that have years under 2008 and were named guinness tower?
Columns: ['Rank', 'Name', 'Height m / ft', 'Floors', 'Year']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['1', 'Living Shangri-La', '201 / 659', 62.0, 2008.0]
SQL:

assistant: SELECT "Floors" FROM "Table" WHERE "Year" < 2008.0 AND "Name" = 'guinness tower';