Question: Where was Teddy Roosevelt's house, a city with a population of less than 851000?
Answer(s):
answer: Washington, D.C.

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.07hyk)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.07hyk ns:people.person.places_lived ?y .
?y ns:people.place_lived.location ?x .
?x ns:topic_server.population_number ?num .
FILTER (xsd:integer(?num) < 851000) . 
}