Question: In which common territory did Sino French war and the Tonkin campaign take place?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Sino-French_War> onto:territory ?uri. <http://dbpedia.org/resource/Tonkin_Campaign> onto:territory ?uri . }