CREATE TABLE "sortable_table" (
  "rank" real,
  "district" text,
  "2010_population" real,
  "area_km_2" real,
  "state" text
);

Question: What is the total population of the district of Klang, with an area larger than 636?
SQL: SELECT COUNT("2010_population") FROM "sortable_table" WHERE "district"='klang' AND "area_km_2">636;

Question: What is the rank with an area larger than 3,433 for the district of Lahad Datu?
SQL: SELECT "rank" FROM "sortable_table" WHERE "area_km_2">'3,433' AND "district"='lahad datu';