What is the region total before 1986 with a Waggamba of 2,732, and a Goondiwindi less than 3,576?
CREATE TABLE "population" (
  "year" real,
  "region_total" real,
  "goondiwindi" real,
  "waggamba" real,
  "inglewood" real
);
SELECT SUM("region_total") FROM "population" WHERE "year"<1986 AND "waggamba"='2,732' AND "goondiwindi"<'3,576';