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 SHIPS 
Clue: Commander Lloyd M. Bucher was the last captain of this U.S. ship
u.s.s. pueblo

Category: EUROPEAN PRINCESSES 
Clue: On July 20, 1999 she gave birth to her fourth child, Princess Alexandra of Hanover
princess caroline of monaco

Category: WOMEN 
Clue: 1 of the 3 women in the only statue that depicts women in the U.S. Capitol Rotunda

susan b. anthony, lucretia mott and/or elizabeth cady stanton