Question: Who was married to the music artist who headlined the "Time for a Love Revolution 2009" Tour?
Answer(s):
answer: Lisa Bonet

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:music.artist.concert_tours ns:m.05y_ysj . 
?c ns:people.person.spouse_s ?y .
?y ns:people.marriage.spouse ?x .
?y ns:people.marriage.type_of_union ns:m.04ztj .
?y ns:people.marriage.to ?sk0 .
}
ORDER BY DESC(xsd:datetime(?sk0))
LIMIT 1