What is the total number of rounds of the player from lehigh college with an overall less than 152?
CREATE TABLE "washington_redskins_draft_history" (
  "round" real,
  "pick" real,
  "overall" real,
  "name" text,
  "position" text,
  "college" text
);
SELECT COUNT("round") FROM "washington_redskins_draft_history" WHERE "college"='lehigh' AND "overall"<152;