CREATE TABLE table_20041 ("Season" FLOAT, "# of Episodes" FLOAT, "Timeslot" TEXT, "Season Premiere" TEXT, "Season Final" TEXT, "Peak Audience" FLOAT, "Average Audience" FLOAT, "Average Nightly Rank" TEXT, "Average Weekly Rank" TEXT, "Average Yearly Ranking" TEXT)

How many were the show's average weekly ranking when it reached No. 2 in average nightly ranking?
SELECT COUNT("Average Weekly Rank") FROM table_20041 WHERE "Average Nightly Rank" = 'No. 2'
SELECT COUNT("Average Weekly Rank") FROM "table_20041" WHERE "Average Nightly Rank" = 'No. 2'