Question: What nation is the birthplace of the performer from " Andy Williams in Concert at Branson?"?
Answer(s):
answer: United States of America

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:film.actor.film ?k .
?k ns:film.performance.film ns:m.0crshs6 . 
?c ns:people.person.nationality ?x .
}