How many {present in work} are to/by {Assassin's Creed} ?
How many works is the Assassin's Creed present in?
Assassin's Creed are present in how much work?
SELECT ( COUNT ( ?x ) AS ?h ) { ?x property:present_in_work resource:Assassin's_Creed }
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/P1441> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q420292 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P1441 wd:Q420292 }
23