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: WORLD GEOGRAPHY 
Clue: You can view the Jungfrau Peak from the main street of this town between the Brienz & Thun Lakes
interlaken, switzerland

Category: FRENCH NOVELISTS 
Clue: A relative of Henri Bergson's wife, he used Bergson's mystical concepts of time in his most famous work
marcel proust

Category: AMERICAN WOMEN 
Clue: She gave herself the third-person name "Phantom", the "no-person" she was from 19 months until she was almost 7

helen keller