Question: Count the number of things people who know linguistics are known for ?
SPARQL query: SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/ontology/knownFor> <http://dbpedia.org/resource/Linguistics> . ?x <http://dbpedia.org/ontology/knownFor> ?uri }
Answer: There are [57] known fields of the people who are known for linguistics.