Question: Which Chinese-speaking country is a former Portguese colony?
SPARQL:
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX res: <http://dbpedia.org/resource/>
SELECT DISTINCT ?uri 
WHERE { 
        res:Chinese_language dbo:spokenIn ?uri . 
        ?uri text:"is" text:"former Portuguese colony" . 
}