How many {approved by} are to/by {United States Congress} ?
Give me the number approved by the U.S. Congress.
How many are approved by the United States Congress?
SELECT ( COUNT ( ?k ) AS ?a ) { ?k property:approved_by resource:United_States_Congress }
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/P790> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q11268 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P790 wd:Q11268 }
5