Question: In which teams have league members of the Czech Extraliga played previously?
SPARQL query:
PREFIX res: <http://dbpedia.org/resource/>
PREFIX prop: <http://dbpedia.org/property/>
PREFIX onto: <http://dbpedia.org/ontology/>
SELECT DISTINCT ?uri WHERE { ?x prop:league res:Czech_Extraliga . ?x onto:formerTeam ?uri  . }