Question: Who preceded Lucius Crus as an office holder?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/predecessor> <http://dbpedia.org/resource/Lucius_Cornelius_Lentulus_Crus> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/OfficeHolder>}