Question: What airports are under the jurisdiction of the Mayor of Chicago?
Answer(s):
answer: O'Hare International Airport
answer: Chicago Midway International Airport
answer: Aurora Municipal Airport
answer: Lansing Municipal Airport
answer: Schaumburg Regional Airport
answer: Waukegan Regional Airport
answer: Gary/Chicago International Airport
answer: Chicago Executive Airport
answer: Lewis University 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:government.governmental_jurisdiction.governing_officials ?k .
?k ns:government.government_position_held.office_position_or_title ns:m.01t2rd . 
?c ns:location.location.nearby_airports ?x .
}