CREATE TABLE table_41140 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Attendance" FLOAT)

When was the last time, since December 14, 1986, that the attendance was lower than 47,096?
SELECT MAX("Week") FROM table_41140 WHERE "Date" = 'december 14, 1986' AND "Attendance" < '47,096'
SELECT MAX("Week") FROM "table_41140" WHERE "Attendance" < '47,096' AND "Date" = 'december 14, 1986'