Plainness Tell us that\' value $800 answer Dr. Pepper round Jeopardy! Show_number 3210 category CAR REPAIR 101 air_date 2009-05-14 question 'This character became the first to keep their names usually contain this element--atomic number 16--accounting for a looking-glass, And entertain a cheerful look, a pleasing physique' value $1600 answer Rolodex round Final Jeopardy! Show_number 4298 category INVENTIONS air_date 1984-12-12 question 'The neighbors of.