Question: Which source country of SamurAbsheron channel is the birth place of Anar Salmanov ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Samur–Absheron_channel> <http://dbpedia.org/ontology/sourceCountry> ?uri. <http://dbpedia.org/resource/Anar_Salmanov> <http://dbpedia.org/property/placeOfBirth> ?uri}