How many {film editor} are for {Star Wars Episode IV: A New Hope} ?
Which is the number of film editors that worked for Star Wars Episode IV: A New Hope?
How many film editors worked for Star Wars Episode IV: A New Hope?
SELECT ( COUNT ( ?m ) AS ?r ) { resource:Star_Wars property:film_editor ?m }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q17738> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1040> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q17738 wdt:P1040 ?obj }
4