CREATE TABLE table_64011 ("Serial No." FLOAT, "District" TEXT, "Headquartered City" TEXT, "City Population  ( 2009 ) " FLOAT, "City Area ( km 2  ) " FLOAT)

What is the sum of the area for the bahawalnagar district with a population more than 134,936?
SELECT SUM("City Area(km 2 )") FROM table_64011 WHERE "District" = 'bahawalnagar district' AND "City Population (2009)" > '134,936'
SELECT SUM("City Area(km 2 )") FROM "table_64011" WHERE "City Population (2009)" > '134,936' AND "District" = 'bahawalnagar district'