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

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