Question: What language is spoken both in Argentina and Bolivia?
Answer(s):
answer: Quechuan languages

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0jgd)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0jgd ns:location.country.languages_spoken ?x .
?x ns:language.language_family.geographic_distribution ns:m.0165v . 
}