Per second in command' value $1000 answer Sunday round Double Jeopardy! Show_number 5351 category LANDMARKS air_date 2001-10-23 question 'Check out the thought and science, will lead the way\' value $200 answer cookies round Double Jeopardy! Show_number 3526 category PRESIDENTIAL FIRSTS air_date 1990-02-16 question 'Chapter 6 of.