Question: What is the order of the Omar D. Conger where Robert Sarvis was also the nominee ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Omar_D._Conger> <http://dbpedia.org/property/order> ?uri. <http://dbpedia.org/resource/Robert_Sarvis> <http://dbpedia.org/ontology/nominee> ?uri}