Question: Give me the count of interests of the philosopher whose primary interest is Metaphysics ?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/mainInterests> <http://dbpedia.org/resource/Metaphysics> . ?x <http://dbpedia.org/property/mainInterests> ?uri }
Answer: There are [609] main interests of the philosophers whose one interest is Metaphysics.