Write a postgre SQL statement to insert one row into the table countries against the column country_id and country_name

Write a  postgre SQL statement to insert one row into the table countries against the column country_id and country_name.

Here in the following is the structure of the table countries.

    Column    |         Type          | Modifiers
--------------+-----------------------+-----------
 country_id   | character varying(2)  |
 country_name | character varying(40) |
 region_id    | numeric(10,0)         |