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: Which Wins have a Goal Difference larger than 12, and a Club of granada cf, and Played larger than 30?
gpt
SELECT AVG Wins FROM table WHERE Goal Difference > 12 AND Club = granada cf AND Played > 30