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.

Category: FAMOUS FAMILIES 
Clue: Chicago's Fire Academy was built in 1960 on the site where this family once lived
the o\'learys

Category: BRITISH AUTHORS 
Clue: His son Christopher said, my father "got to where he was by climbing upon my infant shoulders"
a.a. milne

Category: MONARCHS 
Clue: In 1942 she become the first reigning queen to address the U.S. Congress

wilhelmina