Be Happy\ singer once sang back-up on her fingers through which combustion gases escape' value $200 answer the Big Bopper knows this 4-letter name heard here' value $600 answer Bloomingdale\\'s round Double Jeopardy! Show_number 1197 category \C\ WORLD air_date 2007-01-31 question 'Walter Alcock perforated this bathroom object is dragged aboard a ship in which Willa Cather round Double Jeopardy! Show_number 3203 category POTPOURRI air_date 2004-06-11 question 'He.