How many {studies} are to/by {jurisprudence} ?
For a jurisprudence, how many studies must be met?
how many studies are needed for juriprudence?
SELECT ( COUNT ( ?q ) AS ?v ) { ?q property:studies resource:jurisprudence }
SELECT (COUNT(?sub) AS ?subs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?sub .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P2578> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q4932206 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P2578 wd:Q4932206 }
4