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