Question: What was the first album of the subject of the film "Pink Floyd: Then And Now"?
Answer(s):
answer: Psychedelic Session-compilation album

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:film.film_subject.films ns:m.0zxkybf . 
?c ns:music.artist.album ?x .
?x ns:music.album.release_date ?sk0 .
}
ORDER BY xsd:datetime(?sk0)
LIMIT 1