Question: Which country with an ISO number of 056 has French as its first language?
Answer(s):
answer: Belgium

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.064_8sq)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.064_8sq ns:language.human_language.countries_spoken_in ?x .
?x ns:location.country.official_language ns:m.064_8sq .
?x ns:location.country.iso_numeric "056" . 
}