Name the number of barangay for 205.4 density
CREATE TABLE "political_divisions" (
  "city_municipality" text,
  "no_of_s_barangay" real,
  "population_2010" real,
  "area_km" text,
  "pop_density_per_km" text
);
SELECT "no_of_s_barangay" FROM "political_divisions" WHERE "pop_density_per_km"='205.4';