What is the total region population with a Mirani population of 5,220 and a Mackay population less than 75,020?
CREATE TABLE "population" (
  "year" real,
  "total_region" real,
  "mackay" real,
  "pioneer" real,
  "mirani" real,
  "sarina" real
);
SELECT COUNT("total_region") FROM "population" WHERE "mirani"='5,220' AND "mackay"<'75,020';