human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Position, Club, Played, Points, Wins, Draws, Losses, Goals for, Goals against, Goal Difference
###Question: What is the highest number of wins with a goal difference less than 4 at the Villarreal CF and more than 38 played?
gpt
SELECT MAX Wins FROM table WHERE Goal Difference < 4 AND Club = villarreal cf AND Played > 38