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: GEOLOGISTS 
Clue: In 1957 Sir Vivian Fuchs led the first crossing of this continent; it took 99 days
[A]: antarctica


[Q]: Category: YOUR NUMBER'S UP 
Clue: NFL tight ends wear jerseys with number in this range
[A]: the 80s


[Q]: Category: FIRST LADIES 
Clue: The woman born Sara Delano took her son on a 1904 cruise to quash the romance with this woman
[A]:
eleanor roosevelt