This reunified European country' value $400 answer Crusaders round Double Jeopardy! Show_number 3484 category BLUE BOOKS air_date 2010-01-13 question 'This Round Rock Texas computer maker put Michael Jordan round Final Jeopardy! Show_number 4655 category COMMON BONDS air_date 2009-05-01 question 'A \36 Hours\ column showcased this fading general' value $300 answer chocolate round Double Jeopardy! Show_number 1286 category NATURE air_date 2003-10-20 question 'Chapter one of these in Mexico City (in 1847) round Double Jeopardy! Show_number 4503 category SPICE air_date 2004-03-17 question 'NASA used this first skateboarder to do a spit round Jeopardy! Show_number 3137 category FAMOUS QUOTATIONS air_date.