SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/league> <http://dbpedia.org/resource/Czech_Extraliga> . ?x <http://dbpedia.org/ontology/formerTeam> ?uri . }
In which teams have league members of the Czech Extraliga played previously?
SELECT DISTINCT ?a WHERE { ?h property:former_team ?a . . ?h property:league resource:Czech_Extraliga }
answer
The former teams of the league members of Czech Extraliga are [answer].
Former Czech Extraliga League teams are [answer].