What is the college of the basketball player who lives in Ashton Historic district?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/birthPlace> <http://dbpedia.org/resource/Ashton_Historic_District> . ?x <http://dbpedia.org/property/college> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/BaseballPlayer>}
Ashton_Historic_District