SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/nonFictionSubject> <http://dbpedia.org/resource/Racism> . ?x <http://dbpedia.org/ontology/nonFictionSubject> ?uri }
What is the total number of other non-fiction subject of the books whose one of the subject is Racism?
SELECT DISTINCT COUNT ( ?f ) WHERE { ?o property:non_fiction_subject resource:Racism . ?o property:non_fiction_subject ?f }
36
There are [36] non-fiction subjects of the books whose one subject is Racism.
There are [36] non-fiction books whose only subject is racism.
There are [36] non-fiction subject of the books whose non-fiction subject is Racism.
There are [36]  non-fiction subject of the books whose one of the subject is Racism.