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.

[EX Q]: Context: Door just opened at Saint Matthew. Lots of anticipation that #PopeFrancis is near. #PopeInDC Catherine Shoichet (@CatherineCNN) September 23, 2015 Answer: doors opened to see pope francis
[EX A]: what is everyone excited about?

[EX Q]: Context: We regret the mistaken RTs from our account yesterday and look forward to continuing to share the beauty and history of our parks with you NationalParkService (@NatlParkService) January 21, 2017 Answer: rt's
[EX A]: what was mistaken in the account yesterday?

[EX Q]: Context: One shot into susp veh windshield just went in with .50 cal. #DallasPDShooting Dallas Police Depart (@DallasPD) June 13, 2015 Answer: .50
[EX A]:
what caliber was the bullet?