CREATE TABLE table_25306 ("Country" TEXT, "Type of Protection" TEXT, "Maximum Term" TEXT, "PCT route available" TEXT, "Conversion from Patent Application" TEXT)

In Tangier Zone, what is the PCT route availibility?
SELECT "PCT route available" FROM table_25306 WHERE "Country" = 'Tangier Zone'
SELECT "PCT route available" FROM "table_25306" WHERE "Country" = 'Tangier Zone'