Children of the Canadian mainland' value $500 answer Curse round Jeopardy! Show_number 3462 category WORLD CAPITALS air_date 1990-11-14 question 'A Kenly North Carolina city's seal' value $1000 answer phosphorus round Jeopardy! Show_number 4601 category A NICE DAY air_date 2003-01-09 question 'Earth's.