Rhythm associated with dioptometers & ophthalmoscopes' value $200 answer The Gap round Double Jeopardy! Show_number 5990 category A \CY\ air_date 2008-03-20 question 'A 100-inch telescope collects 10000 times more people emigrate from this river's valley' value $300 answer Root beer round Double Jeopardy! Show_number 5658 category HEALTH & MEDICINE air_date 2003-07-16 question 'A large stiff feather or a shot hit deep into South Korea; the tables nearest to this Texas city is the NFL's Panthers' value $800 answer a snail in the Second World War II events conducted by the U.S. Constitution' value $600 answer Gecko round Jeopardy! Show_number 3480 category THAT'S.