Question: Who sometimes known under the pseudonym "Designer X",  Callie Thorne or Greg Costikyan ?
Sentence (from "Callie Thorne"): She is also known for past work such as her roles on "" as Detective Laura Ballard, a role she held for two seasons, and the movie "", as well as for playing Sheila Keefe on "Rescue Me" and Elena McNulty in "The Wire".
Relevant evidence: No