Question: Who founded the league which was won by Joe McKeehen?
SPARQL:
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/champion> <http://dbpedia.org/resource/Joe_McKeehen> . ?x <http://dbpedia.org/property/founded> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/SportsLeague>}