Question: Who was the father of the author of "Death of a Salesman"?
Answer(s):
answer: Isidore Miller

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:book.author.book_editions_published ns:m.059d0gr . 
?c ns:people.person.parents ?x .
?x ns:people.person.gender ns:m.05zppz .
}