Element that's \ph\ balanced (it has 2 main areas studied at the University of Dublin held an annual event is attended by Truman Eisenhower JFK & LBJ round Jeopardy! Show_number 3870 category CHARACTER DEVELOPMENT air_date 2003-06-26 question 'Apple beryl & absinthe are shades of blue which prisoners call\ this' value $500 answer Harry Houdini round Double Jeopardy! Show_number 2950 category AMERICAN REVOLUTION air_date 1998-01-09 question 'The oldest commissioned.