Question: Which country is the birth place of Marcus Samuelsson and Samuel of Waldebba ?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
 SELECT DISTINCT ?uri WHERE { res:Marcus_Samuelsson prop:birthPlace ?uri. res:Samuel_of_Waldebba prop:placeOfBirth ?uri}