Question: What is the cause of death of the author of A Yearning Toward Wilderness?
Answer(s):
answer: Tuberculosis

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.04tx8h9 . 
?c ns:people.deceased_person.cause_of_death ?x .
}