Question: The HSBC Bank head office is located in which city that is an United States citizen's birth place?
Answer(s):
answer: London

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01vq1f)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01vq1f ns:organization.organization.headquarters ?y .
?y ns:location.mailing_address.citytown ?x .
?x ns:location.location.people_born_here ?c .
?c ns:people.person.nationality ns:m.09c7w0 . 
}