How many {worshipped by} are to/by {Norse mythology} ?
In Norse mythology, how many figures are worshipped?
How many figures are worshipped by Norse mythology?
SELECT ( COUNT ( ?y ) AS ?p ) { ?y property:worshipped_by resource:Norse_mythology }
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/P1049> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q128285 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P1049 wd:Q128285 }
23