What school has a public nickname, founded after 1838 in Harrisonburg, Va?
CREATE TABLE "2013_2014_teams" (
  "school" text,
  "location" text,
  "founded" real,
  "affiliation" text,
  "nickname" text
);
SELECT "nickname" FROM "2013_2014_teams" WHERE "affiliation"='public' AND "founded">1838 AND "location"='harrisonburg, va';