How many {production company} are to/by {ITV} ?
How many production companies is by ITV?
SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P272 wd:Q220072 }
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/P272> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q220072 .
} 

How many production companies are by ITV?