Question: What event happened in Benghazi and ended later than 20 March 2011?
Answer(s):
answer: 2012 Benghazi attack

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01czt9)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01czt9 ns:location.location.events ?x .
?x ns:time.event.end_date ?num .
FILTER (?num > "2011-03-20"^^xsd:dateTime) . 
}