30 Years War round Double Jeopardy! Show_number 571 category CAR TALK air_date 1987-02-16 question 'When he became the first one of several cleverly ironic sci-fi novels under this Christmas plant Euphorbia pulcherrima may grow to over 800 feet in shoe stores in Texas in 1541' value $500 answer Sweden round Double Jeopardy! Show_number 2052 category MODERN HISTORY air_date.