What is the total round with an overall of 199 with sweden?
CREATE TABLE "2008_draft_picks" (
  "round" real,
  "overall" real,
  "player" text,
  "position" text,
  "nationality" text,
  "club_team" text
);
SELECT SUM("round") FROM "2008_draft_picks" WHERE "nationality"='sweden' AND "overall"=199;