user: Question: How many years have a Name of tour quartier des spectacles, and Floors smaller than 31?
Columns: ['Name', 'Height m / ft', 'Floors', 'Year', 'Notes']
Types: ['text', 'text', 'real', 'real', 'text']
Sample row: ["L'Avenue", '175 / 574', 50.0, 2017.0, '75% Sold. Construction to begin this year.']
SQL:

assistant: SELECT "Year" FROM "Table" WHERE "Name" = 'tour quartier des spectacles' AND "Floors" < 31.0;