Question: What is the Capitol of South Africa having a population less than 433688?
Answer(s):
answer: Bloemfontein

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0hzlz)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0hzlz ns:location.country.capital ?x .
?x ns:topic_server.population_number ?num .
FILTER (xsd:integer(?num) < 433688) . 
}