Question: What city with population of 113143 that is serviced by Ryanair?
Answer(s):
answer: Bergamo

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.01m_zd)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.01m_zd ns:aviation.airline.airports_served ?y .
?y ns:aviation.airline_airport_presence.cities_served ?x .
?x ns:topic_server.population_number "113143" . 
}