Question: Which battles in the war in which George Washington is associated ended after September 11, 1777?
Answer(s):
answer: Battle of the Clouds
answer: American Revolutionary War
answer: Battle of White Marsh
answer: Yorktown campaign
answer: Battle of Germantown
answer: Treaty of Alliance
answer: Philadelphia campaign
answer: Battle of Monmouth
answer: Siege of Yorktown
answer: Quasi-War

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.034rd)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.034rd ns:military.military_commander.military_commands ?y .
?y ns:military.military_command.military_conflict ?x .
?x ns:time.event.end_date ?num .
FILTER (?num > "1777-09-11"^^xsd:dateTime) . 
}