What is the overall number for a pick of #10, from Louisiana Tech, and a round bigger than 3?
CREATE TABLE "jacksonville_jaguars_draft_history" (
  "round" real,
  "pick_num" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);
SELECT SUM("overall") FROM "jacksonville_jaguars_draft_history" WHERE "pick_num"=10 AND "college"='louisiana tech' AND "round">3;