SELECT DISTINCT COUNT(?uri) WHERE { ?x <http://dbpedia.org/property/league> <http://dbpedia.org/resource/Czech_Extraliga> . ?x <http://dbpedia.org/ontology/formerTeam> ?uri . }
For how many teams have the league players of Czech Extraliga, previously played?
SELECT DISTINCT COUNT ( ?l ) WHERE { ?o property:league resource:Czech_Extraliga . ?o property:former_team ?l . }
499
The league players of Czech Extraliga, previously played for [499] teams.
Czech Extraliga players played for [499] teams.
There are [499] former team of the players whose league is the organisation .
There are [499] former players teams whose league is an organization.