Question: Who was Queen Elizabeth I's parent that died from decapitation?
Answer(s):
answer: Anne Boleyn

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.02rg_)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.02rg_ ns:people.person.parents ?x .
?x ns:people.deceased_person.cause_of_death ns:m.0jb19 . 
}