Question: What t.v show has a co-creator  and show runner born  who is a  television producer and writer, and novelist, and wrote the fifth episode of the  the second season of HBO's medieval fantasy?
Sentence (from "The Ghost of Harrenhal"): The episode is written by series co-creators David Benioff and D.B. Weiss and directed, for the second time in this season, by David Petrarca.
Relevant evidence: No