Before the Year 1947, what is the sum of Broadsound that have a Belyando greater than 11,362, and a Total Region equal to 5,016?
CREATE TABLE "population" (
  "year" real,
  "total_region" real,
  "belyando" real,
  "broadsound" real,
  "nebo" real
);
SELECT SUM("broadsound") FROM "population" WHERE "belyando">'11,362' AND "total_region"='5,016' AND "year"<1947;