Database: world_1
Question: Which countries have either English or Dutch as language?
SQL: select * from country as t1 join countrylanguage as t2 on t1.code  =  t2.countrycode where t2.language  =  "english" union select * from country as t1 join countrylanguage as t2 on t1.code  =  t2.countrycode where t2.language  =  "dutch"