Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

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

### Question ###
In Tangier Zone, what is the PCT route availibility?

### Accurate SQL ###

SELECT "PCT route available" FROM table_25306 WHERE "Country" = 'Tangier Zone'