In this task, you are given a context paragraph of the tweet and question. Your task is to generate right answer of given question based on given context tweet paragraph.
Q: Context: "I'm my opinion the firearm shown in the surveillance stills is a glock pistol" witness testifies @susancandiotti Lawrence Crook (@LawrenceCNN) March 11, 2015 Question: what kind of firearm is shown in the surveillance stills?
A:
glock pistol