Which gender has a Decile of 8, an Area of taradale, and Years of 1–13?
CREATE TABLE "napier_city" (
  "name" text,
  "years" text,
  "gender" text,
  "area" text,
  "authority" text,
  "decile" real
);
SELECT "gender" FROM "napier_city" WHERE "decile"=8 AND "area"='taradale' AND "years"='1–13';