Question: Name the battle fought by the military persons who also fought in Algeria ?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/battles> <http://dbpedia.org/resource/Algeria> . ?x <http://dbpedia.org/property/battles> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/MilitaryPerson>}