Did {Roman_Empire} {followed by} {Western Roman Empire}?
Was Roman Empire followed by Western Roman Empire?
ASK WHERE { wd:Q2277 wdt:P156 wd:Q42834 }
 ASK { ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q2277> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P156> . ?statement1 <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q42834>. } 
Is it a fact that the Roman Empire was followed by Western Roman Empire?