Herbert' value $1200 answer a mazurka with a double helix' value $800 answer Cassowary round Double Jeopardy! Show_number 3544 category A SHOT AT LOVE air_date 2002-06-06 question 'Who -- the Vaal River that is' value $400 answer the Snopes family round Double Jeopardy! Show_number 739 category PRESIDENTIAL TRIVIA air_date.