How many {judge} are for {Nuremberg trials} ?
Which is the number of judges that were in the held Nuremberg trials?
How many judges are held in the  {Nuremberg trials} ?
SELECT ( COUNT ( ?c ) AS ?n ) { resource:Nuremberg_trials property:judge ?c }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q80130> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1594> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q80130 wdt:P1594 ?obj }
8