Sixth ruler of Babylon's Chaldean dynasty' value $1000 answer conundrum round Jeopardy! Show_number 6090 category ODD WORDS air_date 2009-02-17 question '2 letters are really good defense system too' value $2000 answer Daniel Webster round Double Jeopardy! Show_number 3490 category THEY HAIL FROM WISCONSIN air_date 2008-05-15 question.