You will be given a definition of a task first, then some input of the task.
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.

Context: I had just finished locking my bike up at Elgin & Sparks when I heard four shots - one, two then one, two. #Ottawa Peter Henderscare (@Henderburn) October 22, 2014 Answer: elgin & sparks
Output:
where did the tweeter say that he locked up his bike?