Question: What language is the principle one used in the region where a government post is held by Nicolas Sarkozy?
Answer(s):
answer: French

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:government.governmental_jurisdiction.governing_officials ?k .
?k ns:government.government_position_held.appointed_by ns:m.02ps9k . 
?c ns:location.country.official_language ?x .
}