CREATE TABLE table_912 ("Code" FLOAT, "County" TEXT, "Former Province" TEXT, "Area  ( km 2  ) " TEXT, "Population Census 2009" FLOAT, "Capital" TEXT)

what is the number of area where the county is marsabit?
SELECT COUNT("Area (km 2 )") FROM table_912 WHERE "County" = 'Marsabit'
SELECT COUNT("Area (km 2 )") FROM "table_912" WHERE "County" = 'Marsabit'