Question: What airports can be found in the city that contains part of the tour triangle?
Answer(s):
answer: Paris Orly Airport
answer: Orly Air Base
answer: Beauvais–Tillé Airport
answer: Charles de Gaulle Airport

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ?c)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
?c ns:location.location.partiallycontains ?k .
?k ns:location.partial_containment_relationship.partially_contains ns:m.04q2g52 . 
?c ns:location.location.nearby_airports ?x .
}