Question: What country is where Turkish people originated from and was ruled by Eric of Pomerania?
Answer(s):
answer: Denmark

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0hb7h_z)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0hb7h_z ns:people.ethnicity.geographic_distribution ?x .
?x ns:royalty.kingdom.rulers ns:m.016lhs . 
}