CREATE TABLE table_51940 ("Name" TEXT, "Street address" TEXT, "Years as tallest" TEXT, "Height ft  ( m ) " TEXT, "Floors" FLOAT)

What is the name of a building that has 52 floors?
SELECT "Name" FROM table_51940 WHERE "Floors" = '52'
SELECT "Name" FROM "table_51940" WHERE "Floors" = '52'