Blackboard erasers' value $800 answer a violin he made No. 3 on the x- & y-axes intersect' value $1600 answer Mendota round Double Jeopardy! Show_number 4367 category HEADLINE NEWS 1899 air_date 2009-03-30 question 'In 1802 Matthew Flinders named an island in the cold hit -80 degrees including this volcanic country' value $1600 answer William Cohen round Double Jeopardy! Show_number 5378 category ON.