What is the minimum number of barangays where the type is component city?
CREATE TABLE "political" (
  "city_municipality" text,
  "type" text,
  "no_of_barangays" real,
  "population_2010" real,
  "area_km" text,
  "pop_density_per_km" real,
  "income_class" text,
  "zip_code" real
);
SELECT MIN("no_of_barangays") FROM "political" WHERE "type"='Component City';