Question: What language from the family Tseku do Tibetian people speak?
Answer(s):
answer: Tibetan languages

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01l0ty)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01l0ty ns:people.ethnicity.languages_spoken ?x .
?x ns:language.language_family.languages ns:m.012fzxp6 . 
}