CREATE TABLE table_14694 ("Name" TEXT, "Years" TEXT, "Area" TEXT, "Authority" TEXT, "Decile" FLOAT, "Roll" FLOAT)

Which area has state authority and a roll fewer than 18?
SELECT "Area" FROM table_14694 WHERE "Authority" = 'state' AND "Roll" < '18'
SELECT "Area" FROM "table_14694" WHERE "Authority" = 'state' AND "Roll" < '18'