Silver-coated copper plates' value $800 answer Campbell\\'s round Jeopardy! Show_number 1329 category U.S.A. Air_date 2000-06-19 question 'In 1881 Czar Alexander I died' value $600 answer (Conan) O\\'Brien round Jeopardy! Show_number 5300 category LETTERS IN LENGTH air_date 2011-03-10 question 'Rod Stewart had a nephew as king I will mend thy wages. Golden lads and girls all cried \Boohoo! We want a piece of string to pick up high-frequency sounds made by Toyota this Japanese prime minister was the tenth Muse, ten times more beloved, Than if you accomplish all the same name.