Question: What is the name of Rihanna's latest released 2012 album?
Answer(s):
answer: Unapologetic

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.06mt91)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.06mt91 ns:music.artist.album ?x .
FILTER(NOT EXISTS {?x ns:music.album.release_date ?sk0} || 
EXISTS {?x ns:music.album.release_date ?sk1 . 
FILTER(xsd:datetime(?sk1) >= "2012-01-01"^^xsd:dateTime) })
FILTER(NOT EXISTS {?x ns:music.album.release_date ?sk2} || 
EXISTS {?x ns:music.album.release_date ?sk3 . 
FILTER(xsd:datetime(?sk3) <= "2012-12-31"^^xsd:dateTime) })
?x ns:music.album.release_date ?num .
}
ORDER BY DESC(?num) LIMIT 1