Question: What did the lyracist for "If you Knew" suffer from?
Answer(s):
answer: Breast cancer
answer: Cancer

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.lyricist.lyrics_written ns:m.0_j88jn . 
?c ns:people.deceased_person.cause_of_death ?x .
}