Question: In the country that contains Gebel Elba, what is the primary language spoken?
Answer(s):
answer: Siwi Language
answer: Egyptian Arabic
answer: Sa'idi Arabic
answer: Bedawi Arabic

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.location.partially_contains ns:m.026cy73 . 
?c ns:location.country.languages_spoken ?x .
?x ns:language.human_language.main_country ?c .
}