What county has a football team in IHSAA class AAAAA and a school macot of the Grizzly Cubs?
CREATE TABLE "indiana_high_school_athletics_conference" (
  "school" text,
  "mascot" text,
  "location" text,
  "enrollment" real,
  "ihsaa_class" text,
  "ihsaa_football_class" text,
  "county" text
);
SELECT "county" FROM "indiana_high_school_athletics_conference" WHERE "ihsaa_football_class"='aaaaa' AND "mascot"='grizzly cubs';