Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_91 (wins INTEGER, played VARCHAR, goal_difference VARCHAR, club VARCHAR)
### Question:
Which Wins have a Goal Difference larger than 12, and a Club of granada cf, and Played larger than 30?
### Answer:
SELECT AVG(wins) FROM table_name_91 WHERE goal_difference > 12 AND club = "granada cf" AND played > 30