Question: What is the common battle fought by Stephen Urban and Ali Habib Mahmud ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
 SELECT DISTINCT ?uri WHERE { res:Stephen_Urban onto:battle ?uri. res:Ali_Habib_Mahmud prop:battles ?uri}