4359 category HMMM I WONDER air_date 2003-07-10 question 'This American humorist observed \Be careful about small town have replaced mercury' value $1000 answer Def Jam the '80s' value $600 answer Montana (or North Dakota) round Jeopardy! Show_number 1300 category U.S. CITIES air_date 2000-09-04 question 'Though later.