SELECT T1.Official_native_language FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id  =  T2.Country WHERE T2.College  =  "Maryland" OR T2.College  =  "Duke"
What are the official languages of the countries of players from Maryland or Duke college?
SELECT T1.Official_native_language FROM country AS T1 JOIN match_season AS T2 ON T1.Country_id = T2.Country WHERE T2.College = `` Maryland '' OR T2.College = `` Duke ''
select t1 . official_native_language from country as t1 join match_season as t2 on t1 . country_id = t2 . country where t2 . college = value or t2 . college = value
What are the official languages of the countries of players from Maryland or Duke college ?