human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Episode #, US air date, Rating, Share, Rating/Share (18–49), Viewers (millions)
###Question: What is the average number of million viewers that watched an episode before episode 11 with a share of 4?
gpt
SELECT AVG Viewers (millions) FROM table WHERE Episode # < 11 AND Share = 4