What is the total overall for the pick that went before round 4, who went to Tennessee for college, and was picked at a number bigger than 9?
CREATE TABLE "2002_nfl_draft" (
  "round" real,
  "pick_num" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);
SELECT SUM("overall") FROM "2002_nfl_draft" WHERE "round"<4 AND "college"='tennessee' AND "pick_num">9;