Question: What battle did Stonewall Jackson partiicipated in that ended the earliest?
Answer(s):
answer: Battle of Hoke's Run

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.07r8h)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.07r8h ns:military.military_commander.military_commands ?y .
?y ns:military.military_command.military_conflict ?x .
?x ns:time.event.end_date ?num .
}
ORDER BY ?num LIMIT 1