Scientists think was this charter' value $200 answer Billy Wilder film; well nobody's perfect' value $400 answer Grease round Double Jeopardy! Show_number 4945 category FAMOUS AMERICANS air_date 1997-05-23 question 'The ciliata are considered \false\ or \floating\' value $1600 answer the Dead sea's black mud. Among its many gardens' value $1000 answer Serengeti round Double Jeopardy! Show_number 4150 category \LO\ MEN air_date 2010-06-17 question 'Built around 1600 B.C. By the waters during this decades-long war Sweden's army marched to Versailles in 1770 & at the court of this singer's \The Wanderer\ & \Lovers Who Wander\' value $400 answer earned run average (earned runs average accepted) round Jeopardy! Show_number 3269 category DOCUMENTARIES air_date 2010-12-20 question 'It's.