<http://dbpedia.org/resource/SIAI_S.21>	<http://dbpedia.org/ontology/numberBuilt>	"1"^^<http://www.w3.org/2001/XMLSchema#integer> .
<http://dbpedia.org/resource/SIAI_S.21>	<http://dbpedia.org/ontology/origin>	<http://dbpedia.org/resource/Italy> .
<http://dbpedia.org/resource/SIAI_S.21>	<http://www.w3.org/2000/01/rdf-schema#comment>	"The SIAI S.21 was an Italian racing flying boat built by SIAI for the 1921 Schneider Trophy race."@en .
<http://dbpedia.org/resource/SIAI_S.21>	<http://dbpedia.org/ontology/manufacturer>	<http://dbpedia.org/resource/SIAI-Marchetti> .
<http://dbpedia.org/resource/SIAI_S.21>	<http://dbpedia.org/ontology/type>	<http://dbpedia.org/resource/Flying_boat> .