CREATE TABLE "closed_schools" (
  "name" text,
  "years" text,
  "gender" text,
  "area" text,
  "authority" text,
  "decile" real
);

Question: What years are listed for the Tahunanui school with an authority of state?
SQL: SELECT "years" FROM "closed_schools" WHERE "authority"='state' AND "name"='tahunanui school';