CREATE TABLE table_28747 ("Year" FLOAT, "Races" FLOAT, "Wins" FLOAT, "Poles" FLOAT, "Top 5" FLOAT, "Top 10" FLOAT, "DNF" FLOAT, "Finish" TEXT, "Start" TEXT, "Winnings" TEXT, "Season Rank" TEXT, "Team ( s ) " TEXT)

Where did they finish in the season when when they won $491,977?
SELECT "Season Rank" FROM table_28747 WHERE "Winnings" = '$491,977'
SELECT "Season Rank" FROM "table_28747" WHERE "Winnings" = '$491,977'