What are the school years where class "AAA" is argyle?
CREATE TABLE "team" (
  "school_year" text,
  "class_a" text,
  "class_aa" text,
  "class_aaa" text,
  "class_aaaa" text,
  "class_aaaaa" text
);
SELECT "school_year" FROM "team" WHERE "class_aaa"='Argyle';