SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/type> <http://dbpedia.org/resource/NASA> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Astronaut>}
Who are the astronauts associated with NASA?
SELECT DISTINCT ?d WHERE { ?d property:type resource:N_A_S_A . ?d rdf:type ontology:Astronaut }
answer
The astronauts of NASA are [answer].
NASA astronauts are [answer].