Question: What countries were ruled by both Queen Victoria and King George V?
Answer(s):
answer: British Raj

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0cw10)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0cw10 ns:government.political_appointer.appointees ?y .
?y ns:government.government_position_held.jurisdiction_of_office ?x .
?x ns:royalty.kingdom.rulers ns:m.0cmpn . 
}