Given scene/plot descriptions from movies or TV shows, and given a specific question about the scene, summarize the question into a title
Q: Snape had already told Voldemort about the prophecy, or at least half of it, so what is the point of seeking that prophecy once again? It doesn't seem to have anything that would have been helpful for him to defeat Harry.
A:
Why did Voldemort want the prophecy in Order of the Phoenix?