CREATE TABLE table_28240 ("NSG Nr." FLOAT, "Name of the nature reserve" TEXT, "District / Town" TEXT, "Area  ( ha ) " TEXT, "Date established" TEXT)

How many names does nature reserve 54 have?
SELECT COUNT("Name of the nature reserve") FROM table_28240 WHERE "NSG Nr." = '54'
SELECT COUNT("Name of the nature reserve") FROM "table_28240" WHERE "NSG Nr." = '54'