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 consistency, answers should be in all lower cased letters.

Category: 1992 WOMEN OLYMPIANS 
Clue: B. Jenner called her the "greatest athlete who ever lived, male or female" after she won her 2nd heptathlon
jackie joyner-kersee

Category: LANGUAGES 
Clue: Mazarec is the language of the Mazarec people of Oaxaca in this country
mexico

Category: GUNS N' ROSES 
Clue: Though patented in 1862, this crank-operated machine gun didn't become official U.S. Army weaponry until 1866

the gatling gun