Question: WHich religion was practiced by the celebrity known for having Addison's disease?
Answer(s):
answer: Catholicism

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:medicine.notable_person_with_medical_condition.condition ns:m.01xtf2 . 
?c ns:base.popstra.celebrity.religion ?y .
?y ns:base.popstra.religion_choice.religion ?x .
}