Question: What dialect used in Northern Ireland belongs to the Celtic family of languages?
Answer(s):
answer: Irish

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.05bcl)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.05bcl ns:location.country.official_language ?x .
?x ns:language.human_language.language_family ns:m.01sd8 . 
}