CREATE TABLE table_70480 ("Name" CLOB, "Years" CLOB, "Gender" CLOB, "Area" CLOB, "Authority" CLOB, "Decile" FLOAT, "Roll" FLOAT)

Name the years for porangahau school
SELECT "Years" FROM table_70480 WHERE "Area" = 'porangahau' AND "Name" = 'porangahau school'
SELECT "Years" FROM "table_70480" WHERE "Area" = 'porangahau' AND "Name" = 'porangahau school'