What is the name of a building in Courbevoie built before 1973?
CREATE TABLE "buildings_above_140m" (
  "rank" text,
  "name" text,
  "city" text,
  "height_in_m_ft" text,
  "floors" real,
  "year_built" real
);
SELECT "name" FROM "buildings_above_140m" WHERE "year_built"<1973 AND "city"='courbevoie';