Question: Give me diseases treated by tetracycline
SPARQL:
SELECT DISTINCT ?x 
WHERE { 
        ?x a <http://www4.wiwiss.fu-berlin.de/diseasome/resource/diseasome/diseases>. 
        ?x <http://www4.wiwiss.fu-berlin.de/diseasome/resource/diseasome/possibleDrug> <http://www4.wiwiss.fu-berlin.de/drugbank/resource/drugs/DB00759>. 
}