How many {commander of} are for {Erich von Manstein} ?
Which is the number of the commanders that Erich von Manstein have?
How many commanders does Erich von Manstein have?
SELECT ( COUNT ( ?r ) AS ?y ) { resource:Erich_von_Manstein property:commander_of_(DEPRECATED) ?r }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q57135> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P598> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q57135 wdt:P598 ?obj }
3