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.
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Question: Context: It's been one year since these four boys decided to be strong and stay for us # One Direction (@1DsUniverse) March 25, 2016 Answer: four

Answer: how many boys were strong and stayed?


Question: Context: "So much of The Post is Ben," Mrs. Graham said in 1994, three years after Bradlee retired as editor. "He created it as we know it today."— Ed O'Keefe (@edatpost) October 21, 2014 Answer: 1994

Answer: when did mrs. graham say "so much of the post is ben"?


Question: Context: Well done @virginatlantic pilots & team for safe & skillful landing of #VS43. Thoughts with passengers & crew, thanks for support & patience— Richard Branson (@richardbranson) December 29, 2014 Answer: virgin atlantic pilots and team.

Answer:
who is being congratulated?