How many {convicted of} are for {Andrei Chikatilo} ?
Andrei Chikatilo has convicted how many people?
How many individuals has Andrei Chikatilo convicted?
SELECT ( COUNT ( ?t ) AS ?d ) { resource:Andrei_Chikatilo property:convicted_of ?t }
SELECT (COUNT(?obj) AS ?objs ) {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q44496> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P1399> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
} 

SELECT (COUNT(?obj) AS ?value ) { wd:Q44496 wdt:P1399 ?obj }
6