Question: What are the common side effects of Doxil and Bextra?
SPARQL:
SELECT DISTINCT ?y 
WHERE { 
        <http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/1690> <http://www4.wiwiss.fu-berlin.de/sider/resource/sider/sideEffect> ?y. 
        <http://www4.wiwiss.fu-berlin.de/sider/resource/drugs/119607> <http://www4.wiwiss.fu-berlin.de/sider/resource/sider/sideEffect> ?y.
}