Question: In which series do I find Minbari species' characters?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/species> <http://dbpedia.org/resource/Minbari> . ?x <http://dbpedia.org/ontology/series> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/FictionalCharacter>}