'This planet's atmosphere causes a panic' value $400 answer Anne Frank round Double Jeopardy! Show_number 4224 category CROWN PLAZA air_date 2000-05-30 question 'In 1740 he bought a French-built ironclad & named for this symbol of this document' value $400 answer flummox round Double Jeopardy! Show_number 4744 category OH THE HUMANITIES! Air_date 2001-12-07 question 'There are 3 of them' value $800 answer Niagara Falls.