Where did they finish in the season when when they won $491,977?
CREATE TABLE "career_nascar_statistics" (
  "year" real,
  "races" real,
  "wins" real,
  "poles" real,
  "top_5" real,
  "top_10" real,
  "dnf" real,
  "finish" text,
  "start" text,
  "winnings" text,
  "season_rank" text,
  "team_s" text
);
SELECT "season_rank" FROM "career_nascar_statistics" WHERE "winnings"='$491,977';