What nicknames do the universities in Norton, Massachusetts have?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/city> <http://dbpedia.org/resource/Norton,_Massachusetts> . ?x <http://dbpedia.org/property/nickname> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/University>}
Norton,_Massachusetts