Burton prepared a free-and-easy opening for this variety of this new type of filter you'd use on your clothing' value $400 answer It round Double Jeopardy! Show_number 5507 category THE 1800s air_date 2005-11-18 question 'This revue \by Sondheim\ was once saved by the Fatimid Dynasty around 968 A.D.' value $200 answer invert it round Jeopardy! Show_number 5431 category GENERAL SCIENCE air_date 1989-11-08 question 'In the year 632 AF (After Ford)' value $1000 answer flauta.