SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/placeOfBirth> <http://dbpedia.org/resource/United_States> . ?x <http://dbpedia.org/ontology/knownFor> ?uri . }
For how many things are americans famous for?
SELECT DISTINCT COUNT ( ?u ) WHERE { ?t property:known_for ?u . . ?t property:place_of_birth resource:United_States }
943
There are [943] things people born in the United States are famous for.
There are [943] things for which people born in the United States are famous.