Question: What is the nation that has as its native language English and is where Ward, Castleknock is located?
Answer(s):
answer: Republic of Ireland

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.02h40lc)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.02h40lc ns:language.human_language.main_country ?x .
?x ns:location.country.administrative_divisions ns:m.010f9zv5 . 
}