How many {highest point} are to/by {Ben Nevis} ?
The points recorded by ben Nevis how many ?
How many highest point are scored by Ben Nevis?
SELECT ( COUNT ( ?n ) AS ?s ) { ?n property:highest_point resource:Ben_Nevis }
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/P610> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q104674 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P610 wd:Q104674 }
6