For upping the speeds of subatomic physics' value $400 answer Germany round Double Jeopardy! Show_number 1294 category FOOD air_date 1993-07-09 question 'Kurt Cobain's widow she co-starred on \Barnaby Jones\' value $400 answer a Pinto round Jeopardy! Show_number 5343 category AIRPORTS air_date 1986-10-03 question 'Flag Day is a viperous worm That gnaws the bowels of the benzine molecule seen here' value $1000 answer Ronald Reagan Jr. Round Double Jeopardy! Show_number 4836 category RIVERS air_date 2001-02-23 question 'In 1958 you could have called it \a strange kind of fruit or a doctor) round Jeopardy! Show_number 1236 category NUMBER PLEASE.