Question: What conflict involving Hessians took place during George Washington's presidency?
Answer(s):
answer: Battle of Germantown

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:military.military_conflict.commanders ?c .
?c ns:military.military_command.military_combatant ns:m.01xjr9 . 
}