Question: What is the national sport of the location that has Ceiba pentandra as its official symbol?
Answer(s):
answer: Capitanes de Arecibo
answer: Puerto Rico men's national volleyball team
answer: Puerto Rico women's national volleyball team
answer: Puerto Rico national football team

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.official_symbols ?k .
?k ns:location.location_symbol_relationship.symbol ns:m.049xz . 
?c ns:sports.sports_team_location.teams ?x .
}