How much Overall has a Pick of 10, and a Round smaller than 8, and a Position of e, and a College of tennessee?
CREATE TABLE "washington_redskins_draft_history" (
  "round" real,
  "pick" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);
SELECT COUNT("overall") FROM "washington_redskins_draft_history" WHERE "pick"=10 AND "round"<8 AND "position"='e' AND "college"='tennessee';