CREATE TABLE "table1_24574438_1" (
  "ds_division" text,
  "main_town" text,
  "gn_divisions" real,
  "area_km_2" real,
  "sri_lankan_tamil" real,
  "sri_lankan_moors" real,
  "sinhalese" real,
  "indian_tamil" real,
  "other" real,
  "total" real,
  "population_density_km_2" real
);

Question: Name the number of gn divisions for mannar
SQL: SELECT COUNT("gn_divisions") FROM "table1_24574438_1" WHERE "ds_division"='Mannar';

Question: Name the sinhalese for manthai west
SQL: SELECT MAX("sinhalese") FROM "table1_24574438_1" WHERE "ds_division"='Manthai West';

Question: Name the least indian tamil for population density being 240
SQL: SELECT MIN("indian_tamil") FROM "table1_24574438_1" WHERE "population_density_km_2"=240;

Question: Name the popultion density being manthai west
SQL: SELECT "population_density_km_2" FROM "table1_24574438_1" WHERE "ds_division"='Manthai West';

Question: Name the total number of sinhalese for indian tamil being 177
SQL: SELECT COUNT("sinhalese") FROM "table1_24574438_1" WHERE "indian_tamil"=177;

Question: Name the least area 
SQL: SELECT MIN("area_km_2") FROM "table1_24574438_1";