Question: Which former team of the Harry Parker (baseball) is the  debut team of the Carl Sitton?
SPARQL:
SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Harry_Parker_(baseball)> <http://dbpedia.org/ontology/formerTeam> ?uri. <http://dbpedia.org/resource/Carl_Sitton> <http://dbpedia.org/property/debutteam> ?uri}