CREATE TABLE country (Code VARCHAR(255), HeadOfState VARCHAR(255)); CREATE TABLE countrylanguage (Language VARCHAR(255), CountryCode VARCHAR(255), IsOfficial VARCHAR(255))
What is the official language spoken in the country whose head of state is Beatrix?
    
SQL: SELECT T2.Language FROM country AS T1 JOIN countrylanguage AS T2 ON T1.Code = T2.CountryCode WHERE T1.HeadOfState = "Beatrix" AND T2.IsOfficial = "T"