How many {production statistics} are to/by {cider} ?
Cider contains what number of product statistics?
How many product statistics to cider?
SELECT ( COUNT ( ?v ) AS ?l ) { ?v property:production_statistics resource:cider }
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/P2746> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q167296 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P2746 wd:Q167296 }
6