Question: Who is buried in the Church of St Peter ad Vincula and was beheaded while married to King Henry?
Answer(s):
answer: Anne Boleyn

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.03p77)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.03p77 ns:people.person.spouse_s ?y .
?y ns:people.marriage.spouse ?x .
?x ns:people.deceased_person.cause_of_death ns:m.0jb19 .
?y ns:people.marriage.type_of_union ns:m.04ztj .
?x ns:people.deceased_person.place_of_burial ns:m.05czkx . 
}