In this task, you're given a context passage. Your job is to generate relevant questions that can be answered by directly referring to the passage.

Let me give you an example: Tracy slept awkwardly on their new bed and was having some pain, so Tracy cracked her neck.
The answer to this example can be: What did Tracy do with her neck?
Here is why: The question asked is relevant and can be directly answered by referring to the phrase "so Tracy cracked her neck" from the passage.

OK. solve this:
Here's a brilliant piece from Roger Cohen , penned right before last week's 9/11 anniversary : Wednesday , September 10 , 2008 NEW YORK : And in the seventh year after the fall , the dust and debris of the towers cleared . And it became plain at last what had been wrought . For the wreckage begat greed ; and it came to pass that while America's young men and women fought , other Americans enriched themselves .
Answer:
Why was there a 9/11 anniversary ?