How many {physically interacts with} are to/by {acetylcholine} ?
Which is the amount of acetylcholine that physically interacts with an individual?
How much acetylcholine physically interacts with an individual?
SELECT ( COUNT ( ?c ) AS ?o ) { ?c property:physically_interacts_with resource:acetylcholine }
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/P129> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q180623 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P129 wd:Q180623 }
5