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 player ( player_id number, player text, years_played text, total_wl text, singles_wl text, doubles_wl text, team number )
TABLE: CREATE TABLE country ( country_id number, country_name text, capital text, official_native_language text )
TABLE: CREATE TABLE team ( team_id number, name text )
TABLE: CREATE TABLE match_season ( season number, player text, position text, country number, team number, draft_pick_number number, draft_class text, college text )

### Question ###
Count the number of different official languages corresponding to countries that players who play Defender are from.

### Accurate SQL ###

SELECT COUNT(DISTINCT T1.official_native_language) FROM country AS T1 JOIN match_season AS T2 ON T1.country_id = T2.country WHERE T2.position = "Defender"