Question: People who debuted from Houston Astros have played in which clubs?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/debutTeam> <http://dbpedia.org/resource/Houston_Astros> . ?x <http://dbpedia.org/ontology/team> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Person>}