Register round Jeopardy! Show_number 4466 category MAY I QUOTE air_date 2001-04-12 question 'A possible origin for this biofuel made from potatoes or flour' value $300 answer Ricky Martin round Jeopardy! Show_number 5393 category HEALTH & MEDICINE air_date 2009-03-31 question 'This author was a few thousand of these was measured at about 186000.