What is the sum of the area in km with a population of 110 in 2011?
CREATE TABLE "list" (
  "name" text,
  "type" text,
  "population_2011" real,
  "population_2006" real,
  "area_km_2" real
);
SELECT SUM("area_km_2") FROM "list" WHERE "population_2011"=110;