Name the mascot for shelbyville
CREATE TABLE "indiana_high_school_athletics_conference" (
  "school" text,
  "location" text,
  "mascot" text,
  "enrollment" real,
  "ihsaa_class" text,
  "ihsaa_football_class" text,
  "num_county" text
);
SELECT "mascot" FROM "indiana_high_school_athletics_conference" WHERE "school"='shelbyville';