CREATE TABLE table_74785 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" TEXT)

What was the result of the game after Week 13 on December 8, 1991?
SELECT "Result" FROM table_74785 WHERE "Week" > '13' AND "Date" = 'december 8, 1991'
SELECT "Result" FROM "table_74785" WHERE "Date" = 'december 8, 1991' AND "Week" > '13'