CREATE TABLE "approved" (
  "name" text,
  "height_m_ft" text,
  "floors" real,
  "year" real,
  "notes" text
);

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