Question: What territory of Sino French War was the battle of Raoul Magrin-Vernerey fought ?
SPARQL query:
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Sino-French_War> onto:territory ?uri. <http://dbpedia.org/resource/Raoul_Magrin-Vernerey> prop:battles ?uri}