CREATE TABLE country (Official_native_language VARCHAR(255), Country_id VARCHAR(255)); CREATE TABLE match_season (Country VARCHAR(255), College VARCHAR(255))
What are the official languages of the countries of players from Maryland or Duke college?
    
SQL: 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"