Question: Which predecessor of Alexander Downer was deputy to Neil Brown ?
SPARQL:
SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/ontology/predecessor> <http://dbpedia.org/resource/Alexander_Downer> . ?uri <http://dbpedia.org/property/deputy> <http://dbpedia.org/resource/Neil_Brown_(Australian_politician)>  . }