Question: Which fictional character's relative is Clan McDuck and belongs to American Pekin duck ?
SPARQL query:
PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE {?uri prop:relatives <http://dbpedia.org/resource/Clan_McDuck> . ?uri onto:species <http://dbpedia.org/resource/American_Pekin_duck>  . ?uri rdf:type onto:FictionalCharacter}