human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: No., #, Title, Directed by, Written by, Patient Portrayer, Original air date, Production code
###Question: What is the total number of patient portayers for the episode directed by Craig Zisk and written by Brad Falchuk?
gpt
SELECT COUNT Patient Portrayer FROM table WHERE Directed by = Craig Zisk AND Written by = Brad Falchuk