Question: Over what do Concor holdings have a bridge?
SPARQL query: SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/builder> <http://dbpedia.org/resource/Concor_Holdings> . ?x <http://dbpedia.org/property/crosses> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Bridge>}
Answer: The river crossed by the bridge which was built by Concor Holdings is [Zambezi].