Question: Who did the actress who played Jackie Cook on Veronica Mars play on Grey's Anatomy?
Sentence (from "Losing My Religion (Grey's Anatomy)"): Written by Shonda Rhimes and directed by Mark Tinker, the episode was originally broadcast with "Deterioration of the Fight or Flight Response", in a two-hour season finale event on the American Broadcasting Company (ABC) in the United States on May 15, 2006.
Relevant evidence: No