What are the school mascots in Blytheville school district?
SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/property/district> <http://dbpedia.org/resource/Blytheville_School_District> . ?x <http://dbpedia.org/property/mascot> ?uri  . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/School>}
Blytheville_School_District