CREATE TABLE table_203_413 (id NUMBER, "rank" CLOB, "city" CLOB, "population" NUMBER, "area\ ( km2 ) " NUMBER, "density\ ( inhabitants/km2 ) " NUMBER, "altitude\ ( mslm ) " NUMBER)

how many cities have densities at least above 400 ?
SELECT COUNT("rank") FROM table_203_413 WHERE "density\n(inhabitants/km2)" > 400
SELECT COUNT("rank") FROM "table_203_413" WHERE "density\n(inhabitants/km2)" > 400