SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/crosses> <http://dbpedia.org/resource/Valaichchenai_Lagoon> . ?x <http://dbpedia.org/property/designer> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Bridge>}
Who designed the bridge over the Valaichchenai lagoon?
SELECT DISTINCT ?z WHERE { ?m rdf:type ontology:Bridge . ?m property:designer ?z . ?m property:crosses resource:Valaichchenai_Lagoon }
Sri Lanka, British Ceylon
The designers of the bridge that crosses Valaichchenai Lagoon are [Sri Lanka, British Ceylon].
The bridge crossing the Valaam Lagoon is called [Sri Lanka, British Ceylon].
The has designer of the bridge whose bridge over is Valaichchenai Lagoon  are [Sri Lanka, others Ceylon].
The bridge that crosses the Valaam Lagoon is called [Sri Lanka, the other Ceylon].