What is the lowest number of floors recorded for buildings built by Dubai Marriott Harbour Hotel & Suites?
CREATE TABLE "tallest_buildings" (
  "rank" text,
  "name" text,
  "height_m_ft" text,
  "floors" real,
  "year" real
);
SELECT MIN("floors") FROM "tallest_buildings" WHERE "name"='dubai marriott harbour hotel & suites';