Question: Who was the person who assasinated the famous person what had a work dedicated to them by Lonard Bernstein??
Answer(s):
answer: Lee Harvey Oswald

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:media_common.dedicatee.dedications ?k .
?k ns:media_common.dedication.dedicated_by ns:m.0bvzp . 
?c ns:user.alexander.misc.murdered_person.murdered_by ?x .
}