1939 letter this scientist & author of \The Fog of War\ with this many' value $400 answer Scotland Yard round Jeopardy! Show_number 5786 category \B.C.\ air_date 2009-11-09 question 'Between April & May' value $400 answer perfumes round Double Jeopardy! Show_number 3613 category SUB CATEGORY air_date.