Question: Who is associated to Publius Servilius Vatia Isauricus  and Marcus Calpurnius Bibulus?
SPARQL query:
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?uri onto:associate <http://dbpedia.org/resource/Publius_Servilius_Vatia_Isauricus_(consul_48_BC)> . ?uri onto:associate <http://dbpedia.org/resource/Marcus_Calpurnius_Bibulus> . }