What is the km2 area with more than 8,328 people with a total of 121.14 km2?
CREATE TABLE "municipalities" (
  "province" text,
  "comune" text,
  "population_inh" real,
  "area_km" real,
  "total_km" real
);
SELECT AVG("area_km") FROM "municipalities" WHERE "population_inh">'8,328' AND "total_km">121.14;