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: I GOT 3 As, MOM! 
Clue: In legend, this pure knight found the Holy Grail

A: galahad
****
Q: Category: GEOGRAPHY 
Clue: This Sudanese capital is located at the junction of the Blue & the White Nile

A: khartoum
****
Q: Category: COUNTRIES OF THE WORLD 
Clue: This country's coat of arms features a two-tailed lion, the symbol of the historic Bohemian kingdom

A:
czechoslovakia
****