CREATE TABLE match_season (Country VARCHAR, Position VARCHAR)
CREATE TABLE country (Official_native_language VARCHAR, Country_id VARCHAR)

How many distinct official languages are there among countries of players whose positions are defenders.
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"
SELECT COUNT(DISTINCT "T1"."Official_native_language") FROM "country" AS "T1" JOIN "match_season" AS "T2" ON "Defender" = "T2"."Position" AND "T1"."Country_id" = "T2"."Country"