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: If being proactive means closing the #DomesticViolenceLoophole exploited by the #SutherlandSprings Texas shooter, you're right. Jeff Flake (@JeffFlake) November 7, 2017 Answer: sutherland springs
Output:
who is it exploited by?