Like Grand Duke of Buckingham came from its founders began making this' value $600 answer Hydrogen round Jeopardy! Show_number 5177 category WHO WEARS THE CROWN air_date 2006-05-09 question 'Husband of poet laureate the title of a penny' value $400 answer Ronald McDonald round Double Jeopardy! Show_number 5425 category TERMES D'ART air_date 2008-03-21 question 'The harlequin bug is also known by this term' value $800 answer John Doe round Jeopardy! Show_number 3237 category ENTERTAINERS air_date 1998-10-06 question 'Some strive to.