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.
--------
Question: Category: CURRENT EXPRESSIONS 
Clue: If you're engaging in wishful thinking, you may want to perform this type of "check"

Answer: a reality check


Question: Category: BRAZIL 
Clue: It got its name after a Spanish explorer reported being attacked by female warriors there

Answer: amazon river


Question: Category: RETITLED CINEMA 
Clue: Robin Williams amused Thailand with "Untraditional Doctor, Delighted Patients", known as this in the U.S.

Answer:
patch adams