Question: For what is the inventor of Mark Twain's Scrapbook well-known?
Answer(s):
answer: Teacher
answer: Novelist
answer: Humorist
answer: Writer
answer: Journalist
answer: Author

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:law.inventor.us_patents ns:m.0gb56s1 . 
?c ns:people.person.profession ?x .
}