What is the rank for the team that had a time of 6:41.45 and note FA?
CREATE TABLE "repechage" (
  "rank" real,
  "rowers" text,
  "country" text,
  "time" text,
  "notes" text
);
SELECT SUM("rank") FROM "repechage" WHERE "notes"='fa' AND "time"='6:41.45';