Question: People from the country with the capital Islamabad speak what language?
Answer(s):
answer: Brahui Language
answer: Sindhi Language
answer: Hindko dialect
answer: English Language
answer: Urdu Language
answer: Seraiki Language
answer: Pakistani English
answer: Punjabi language
answer: Balochi language
answer: Hindustani language
answer: Pashto 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:location.country.capital ns:m.0dhd5 . 
?c ns:location.country.languages_spoken ?x .
}