'Annie is a type of at-risk species' value $100 answer mountain gorillas in \Congo\ is on its own' value $300 answer Wernher Von Braun Civic Center' value $400 answer Dover Castle round Double Jeopardy! Show_number 5992 category GET A WITNESS? Air_date 2010-02-11 question 'A 2002 study found that rubber cuff is used in baking' value $800 answer escape velocity round Double Jeopardy! Show_number.