How many population figures are given for Glengallen for the year when the region's total is 30554?
CREATE TABLE "population" (
  "year" real,
  "population_region_total" real,
  "population_stanthorpe" real,
  "population_warwick" real,
  "population_allora" real,
  "population_glengallan" real,
  "population_rosenthal" real
);
SELECT COUNT("population_glengallan") FROM "population" WHERE "population_region_total"=30554;