CREATE TABLE table_14370 ("Name" TEXT, "Years" TEXT, "Gender" TEXT, "Area" TEXT, "Authority" TEXT, "Decile" FLOAT)

What years are listed for the Tahunanui school with an authority of state?
SELECT "Years" FROM table_14370 WHERE "Authority" = 'state' AND "Name" = 'tahunanui school'
SELECT "Years" FROM "table_14370" WHERE "Authority" = 'state' AND "Name" = 'tahunanui school'