Which ship builder built the USS Camp and Sturtevant?
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/USS_Camp_(DE-251)> <http://dbpedia.org/property/shipBuilder> ?uri. <http://dbpedia.org/resource/USS_Sturtevant_(DE-239)> <http://dbpedia.org/property/shipBuilder> ?uri . }
USS_Camp_(DE-251) USS_Sturtevant_(DE-239)