Question: What are all the names of the Harry Potter books and is the genre of magic real?
Answer(s):
answer: Harry Potter and the Deathly Hallows

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.03647x)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.03647x ns:book.book_character.appears_in_book ?x .
?x ns:book.book.genre ns:m.0127jb . 
}