What is the overall draft number for the running back drafted after round 1 from fresno state?
CREATE TABLE "1994_chiefs_draft_selections" (
  "round" real,
  "overall" real,
  "player" text,
  "position" text,
  "college" text
);
SELECT SUM("overall") FROM "1994_chiefs_draft_selections" WHERE "position"='running back' AND "round">1 AND "college"='fresno state';