CREATE TABLE table_19084 ("Code" FLOAT, "County" TEXT, "Former Province" TEXT, "Area  ( km 2  ) " TEXT, "Population Census 2009" FLOAT, "Capital" TEXT)

what's the capital with area (km 2 ) being 12,245.9
SELECT "Capital" FROM table_19084 WHERE "Area (km 2 )" = '12,245.9'
SELECT "Capital" FROM "table_19084" WHERE "Area (km 2 )" = '12,245.9'