How many {filming location} are to/by {Scotland} ?
how many filming locations are in scotland?
SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P915 wd:Q22 }
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/P915> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q22 .
} 

In Scotland, how many filming location are there?