Question: Who died on August 21, 1973 and who started Google?
Answer(s):
answer: Sergey Brin

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0387r)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0387r ns:law.invention.inventor ?x .
?x ns:people.person.date_of_birth "1973-08-21"^^xsd:dateTime . 
}