19_values.rq

PREFIX dbr: <http://dbpedia.org/resource/>
PREFIX dbo: <http://dbpedia.org/ontology/>
PREFIX dbp: <http://dbpedia.org/property/>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>

SELECT ?country (GROUP_CONCAT(?city_name; separator=",") AS ?cities)
WHERE {
    VALUES ?country {dbr:Peru dbr:Belarus}
    ?country a           dbo:Country .
    ?city    a           dbo:City ;
             dbo:country ?country ;
             rdfs:label  ?city_name
} GROUP BY ?country HAVING (COUNT(DISTINCT?city) < 10)