CREATE TABLE table_68050 ("Name" TEXT, "Years" TEXT, "Area" TEXT, "Authority" TEXT, "Decile" FLOAT, "Roll" FLOAT)

What years does Kakahi school, with a decile of 3, have?
SELECT "Years" FROM table_68050 WHERE "Decile" = '3' AND "Name" = 'kakahi school'
SELECT "Years" FROM "table_68050" WHERE "Decile" = '3' AND "Name" = 'kakahi school'