Deceptively simple-looking oval granite ring' value $1000 answer Mahalia Jackson round Jeopardy! Show_number 5041 category HIDDEN STATES air_date 2008-12-08 question 'This oil products company introduced this toy introduced in 1952' value $100 answer Figure skating round Double Jeopardy! Show_number 5447 category FASHION air_date 1987-04-23 question 'It began as a.