You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Q: Category: SCIENCE FICTION 
Clue: A recent re-issue of this Sir Arthur Conan Doyle novel includes an introduction by Michael Crichton

A: the lost world
****
Q: Category: 19th CENTURY AMERICA 
Clue: This politician died on June 3, 1861, 39 days after giving a speech in Springfield, Illinois supporting the Union

A: stephen douglas
****
Q: Category: THE 1960s 
Clue: In 1962 the people of Perth, Australia saluted this American by turning their lights on & off at the same time

A:
john glenn
****