TASK DEFINITION: In this task, you are given a context tweet and an answer. Your job is to generate a question for the given answer based on the given tweet paragraph. Note that your question should be answerable based on the given tweet, and the answer to your question should be the given answer.
PROBLEM: Context: Sad to lose Nola @sandiegozoo Now only 3 northern white rhinos remain on our planet. #Nola4Ever #anthropocene. Edward Burtynsky (@edwardburtynsky) November 23, 2015 Answer: three

SOLUTION: how many northern white rhinos remain in existence?

PROBLEM: Context: Bloody republican lefties leave Prince Philip alone. He has done heaps for Australia. He let us put a picture of his wife on our money...— Wil Anderson (@Wil_Anderson) January 25, 2015 Answer: australia's money

SOLUTION: where did prince philip allow australians to officially display his wife's picture

PROBLEM: Context: VINE: The lads went sub zero in the cryotherapy chamber to aid their recovery on Thursday #COYI West Ham United FC (@whufc_official) March 27, 2014 Answer: to aid their recovery

SOLUTION:
why did the lads go in the cryotherapy chamber?