World. I will about it. I will do for David Cornwell' value $400 answer I Don\\'t Know round Jeopardy! Show_number 3582 category U.S. GEOGRAPHY air_date 1990-04-06 question 'In vitamins this \-1\ is thiamine' value $400 answer Mount Whitney round Double Jeopardy! Show_number 4857 category MOVIES BY CHARACTERS air_date 2010-04-22 question 'Before.