How many {drafted by} are to/by {Chicago Bulls} ?
For the Chicago Bulls, how many players are drafted?
How many players are drafted by the Chicago Bulls?
SELECT ( COUNT ( ?x ) AS ?t ) { ?x property:drafted_by resource:Chicago_Bulls }
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/P647> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q128109 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P647 wd:Q128109 }
175