Question: Which three people inspired the author who published editions of Tortilla Flat?
Answer(s):
answer: Sherwood Anderson
answer: Thomas Malory
answer: William Faulkner
answer: Robert Burns

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.04vbc1j . 
?c ns:influence.influence_node.influenced_by ?x .
}