Which Joined has an Institution of abraham baldwin agricultural college, and an Enrollment smaller than 3,284?
CREATE TABLE "members" (
  "institution" text,
  "location" text,
  "nickname" text,
  "founded" real,
  "enrollment" real,
  "joined" real
);
SELECT MAX("joined") FROM "members" WHERE "institution"='abraham baldwin agricultural college' AND "enrollment"<'3,284';