Question: In which city a famous person has been born in 1945-04-15, and Ryanair has a flight to?
Answer(s):
answer: London

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:location.location.people_born_here ?c .
?c ns:people.person.date_of_birth "1945-04-15"^^xsd:dateTime . 
}