instruction:
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.
question:
Category: FICTIONAL CHARACTERS 
Clue: Lassiter is the gun-slinging hero of this Zane Grey novel & appears in its sequel "The Rainbow Trail"
answer:
"riders of the purple sage"


question:
Category: ALL ABOUT AUTHORS 
Clue: "The Remains of the Day" author Kazuo Ishiguro was a grouse beater for this grandmother of Prince Charles
answer:
the queen mother


question:
Category: OTHER SIDE OF THE WORLD LEADERS 
Clue: In 1899 future South Africa P.M. Louis Botha & his forces took this future British P.M., then a journalist, as prisoner
answer:

winston churchill