CREATE TABLE table_name_51 (year VARCHAR, name VARCHAR, floors VARCHAR)

How many years have a Name of tour quartier des spectacles, and Floors smaller than 31?
SELECT COUNT(year) FROM table_name_51 WHERE name = "tour quartier des spectacles" AND floors < 31
SELECT COUNT("year") FROM "table_name_51" WHERE "floors" < 31 AND "name" = "tour quartier des spectacles"