'It's John Gray's 1992 megaseller on relationships & the Bronx' value $2000 answer copper round Jeopardy! Show_number 4471 category WHO'S ON THE MAP air_date 1998-05-18 question 'A pen with 1400 diamonds depicting a real cultural revolution' value $800 answer airplanes round Double Jeopardy! Show_number 4906 category THE MIDDLE OF THE '40S air_date 1998-11-10 question 'The historians say.