Question: Which kind of breast cancer did the artist who recorded "Difficult Kind" have?
Answer(s):
answer: Meningioma

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.featured_artist.recordings ns:m.0x3rwj . 
?c ns:medicine.notable_person_with_medical_condition.condition ?x .
?x ns:medicine.disease.parent_disease ns:m.0qcr0 .
}