Question: Which genes are associated with diseases whose possible drugs target Cubilin?
SPARQL:
SELECT DISTINCT ?z 
WHERE {
        ?s <http://www4.wiwiss.fu-berlin.de/diseasome/resource/diseasome/associatedGene> ?z. 
        ?s <http://www4.wiwiss.fu-berlin.de/diseasome/resource/diseasome/possibleDrug> ?x. 
        ?x <http://www4.wiwiss.fu-berlin.de/drugbank/resource/drugbank/target> <http://www4.wiwiss.fu-berlin.de/drugbank/resource/targets/1224>.
}