Question: Which language spoken by people of Jewish heritage has the code HBO in the Rosetta Project?
Answer(s):
answer: Biblical Hebrew

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.041rx)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.041rx ns:people.ethnicity.languages_spoken ?x .
?x ns:language.human_language.rosetta_project_code "hbo" . 
}