Question: What religion has a religious place of worship named St. Mary's Cathedral, Batticaloa was Mary Todd Lincoln's religion?
Answer(s):
answer: Catholicism

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01ypl0)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01ypl0 ns:people.person.religion ?x .
?x ns:religion.religion.places_of_worship ns:m.0100k8_q . 
}