Question: Which drugs have fever as a side effect?
SPARQL:
SELECT DISTINCT ?x 
WHERE { 
        ?x a <http://www4.wiwiss.fu-berlin.de/sider/resource/sider/drugs>. 
        ?x <http://www4.wiwiss.fu-berlin.de/sider/resource/sider/sideEffect> <http://www4.wiwiss.fu-berlin.de/sider/resource/side_effects/C0015967>. 
}