Question: Which book, which had a publication date after 1998, was written by Aristotle?
Answer(s):
answer: The Nicomachean ethics
answer: Nicomachean ethics
answer: Nicomachean Ethics
answer: The Nicomachean Ethics (Penguin Classics)
answer: The Nicomachean Ethics
answer: Nicomachean ethics.
answer: Nicomachean Ethics (Large Print)

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0gz_)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0gz_ ns:book.author.book_editions_published ?x .
?x ns:book.book_edition.publication_date ?num .
FILTER (?num > "1998"^^xsd:dateTime) . 
}