How many {does not have part} are to/by {antimatter} ?
Which is the number of parts that Antimatter does not have?
How many parts does Antimatter not have?
SELECT ( COUNT ( ?j ) AS ?z ) { ?j property:does_not_have_part resource:antimatter }
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/P3113> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> http://wikidata.dbpedia.org/resource/Q83197 .
} 

SELECT (COUNT(?sub) AS ?value ) { ?sub wdt:P3113 wd:Q83197 }
4