CREATE TABLE table_36095 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

What was the total number of weeks with a result of l 31-21?
SELECT COUNT("Week") FROM table_36095 WHERE "Result" = 'l 31-21'
SELECT COUNT("Week") FROM "table_36095" WHERE "Result" = 'l 31-21'