CREATE TABLE table_204_579 (id DECIMAL, "code" TEXT, "district" TEXT, "headquarters" TEXT, "population  ( as of 2011 ) " DECIMAL, "area  ( km2 ) " DECIMAL, "density  ( /km2 ) " DECIMAL)

what is the total amount of districts listed ?
SELECT COUNT("district") FROM table_204_579
SELECT COUNT("district") FROM "table_204_579"