TASK DEFINITION: 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.
PROBLEM: Category: STAND BY YOUR MANNEQUIN 
Clue: In a magazine called The Show Window, this Oz creator dispensed advice on mannequins & creative display

SOLUTION: l. frank baum

PROBLEM: Category: HOLIDAYS & OBSERVANCES 
Clue: Mexico defeated France at the Battle of Puebla on this date in 1862

SOLUTION: fifth of may

PROBLEM: Category: LET'S GET BIBLICAL 
Clue: The book of Mark recounts how John the Baptist baptized believers, including Jesus, in this river

SOLUTION:
the jordan