Question: What country did Nina Dobrev come from that has the net migration number of 1437?
Answer(s):
answer: Bulgaria

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.027nwk2)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.027nwk2 ns:people.person.nationality ?x .
?x ns:location.statistical_region.net_migration ?c .
?c ns:measurement_unit.dated_integer.number "-1437" . 
}