Question: What location of the Mount St. Helen's volcano has a population lower than 523000?
Answer(s):
answer: Skamania County

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.094xz)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.094xz ns:location.location.containedby ?x .
?x ns:topic_server.population_number ?num .
FILTER (xsd:integer(?num) < 523000) . 
}