How many places named asan-maina?
CREATE TABLE "table1_2588674_1" (
  "village" text,
  "area_km" text,
  "population_2000_census" real,
  "region" text,
  "pop_density" real
);
SELECT COUNT("region") FROM "table1_2588674_1" WHERE "village"='Asan-Maina';