CREATE TABLE table_73984 ("Name" TEXT, "Park" TEXT, "Length  ( ft ) " FLOAT, "Height  ( ft ) " FLOAT, "Speed  ( mph ) " TEXT, "Opened" TEXT, "Status" TEXT)

How many parks are called mt. olympus
SELECT COUNT("Name") FROM table_73984 WHERE "Park" = 'Mt. Olympus'
SELECT COUNT("Name") FROM "table_73984" WHERE "Park" = 'Mt. Olympus'