Question: What album released in 1997 did John Frusciante play on?
Answer(s):
answer: Estrus

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0191h5)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0191h5 ns:music.artist.album ?x .
?x ns:music.album.release_date "1997"^^xsd:dateTime . 
}