Question: What are the official languages in the country that has a President of the European Council?
Answer(s):
answer: Italian Language
answer: Dutch Language
answer: English Language
answer: Greek Language
answer: German Language
answer: Polish Language
answer: Portuguese Language
answer: French
answer: Swedish Language
answer: Spanish Language

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:organization.organization.leadership ?k .
?k ns:organization.leadership.role ns:m.02vk5s1 . 
?c ns:user.ktrueman.default_domain.international_organization.official_language_s ?x .
}