Question: What should been seen in Dallas Texas that has a venue capacity of 18500?
Answer(s):
answer: American Airlines Center

SPARQL query:
PREFIX ns: <http://rdf.freebase.com/ns/>
SELECT DISTINCT ?x
WHERE {
FILTER (?x != ns:m.0f2rq)
FILTER (!isLiteral(?x) OR lang(?x) = '' OR langMatches(lang(?x), 'en'))
ns:m.0f2rq ns:travel.travel_destination.tourist_attractions ?x .
?x ns:architecture.venue.capacity "18500" . 
}