CREATE TABLE table_4943 ("Rank" TEXT, "Name" TEXT, "Height m / feet" TEXT, "Floors" TEXT, "Notes" TEXT)

How many floors have a Height m / feet of 900 / 2,952?
SELECT "Floors" FROM table_4943 WHERE "Height m / feet" = '900 / 2,952'
SELECT "Floors" FROM "table_4943" WHERE "Height m / feet" = '900 / 2,952'