Question: What languages are used in the country that has the national anthem God Bless Our Homeland Ghana?
Answer(s):
answer: Asante dialect
answer: Ga Language
answer: English Language
answer: Akan Language
answer: Kasem Language
answer: Nzema Language
answer: Éwé Language
answer: Dagaare language
answer: Dagbani Language
answer: Dangme Language
answer: Fula language
answer: Gonja 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.national_anthem ?k .
?k ns:government.national_anthem_of_a_country.anthem ns:m.01n8fx . 
?c ns:location.country.languages_spoken ?x .
}