CREATE TABLE table_13184 ("Rank" FLOAT, "District" TEXT, "2010 Population" FLOAT, "Area  ( km 2  ) " FLOAT, "State" TEXT)

What is the total population of the district of Klang, with an area larger than 636?
SELECT COUNT("2010 Population") FROM table_13184 WHERE "District" = 'klang' AND "Area (km 2 )" > '636'
SELECT COUNT("2010 Population") FROM "table_13184" WHERE "Area (km 2 )" > '636' AND "District" = 'klang'