Question: Find the place that speaks Tsonga, what countries do they export to?
Answer(s):
answer: Tanzania
answer: Angola

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.country.official_language ns:m.020h5q . 
?c ns:location.statistical_region.places_exported_to ?y .
?y ns:location.imports_and_exports.exported_to ?x .
}