In California what was the total rank at Irvine station when the number of boarding and deboardings was less than 683,626?
CREATE TABLE "list" (
  "rank" real,
  "station" text,
  "city" text,
  "state" text,
  "boardings_and_deboardings" real
);
SELECT SUM("rank") FROM "list" WHERE "boardings_and_deboardings"<'683,626' AND "state"='california' AND "station"='irvine station';