CREATE TABLE "administrative_divisions" (
  "subdistrict_kecamatan" text,
  "capital" text,
  "land_area_km_2" real,
  "total_area_km_2" real,
  "percentage_pct" real,
  "subdistrict_divisions" real,
  "villages" real
);

Question: What is the area of Ulim with less than 30 villages?
SQL: SELECT AVG("land_area_km_2") FROM "administrative_divisions" WHERE "capital"='ulim' AND "villages"<30;