SELECT DISTINCT ?uri WHERE { ?uri <http://dbpedia.org/ontology/opponent> <http://dbpedia.org/resource/Ike_Clanton> . ?uri <http://dbpedia.org/ontology/opponent> <http://dbpedia.org/resource/Billy_Clanton> . }
Whose opponents are Ike Clanton and Billy Clanton?
SELECT DISTINCT ?c WHERE { ?c property:opponent resource:Ike_Clanton . ?c property:opponent resource:Billy_Clanton . }
Wyatt Earp
[Wyatt Earp] opponents are both Ike Clanton and Billy Clanton.
[Wyatt Earp] has both Ike Clanton and Billy Clanton as opponents.
[Wyatt Earp]'s opponents are them.
[Wyatt Earp] is the person Ike Clanton and Billy Clanton oppose.