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: THE TOWER 
Clue: Lightning not only strikes the same place twice, it strikes this 110-story Chicago tower hundreds of times a year

A: sears tower
****
Q: Category: 4-F 
Clue: 2-word term for secretaries, bookkeepers, receptionists, etc.

A: office staff
****
Q: Category: EXPLORERS 
Clue: This Spaniard who conquered Mexico previously had been mayor of Santiago, Cuba

A:
hernando cortez
****