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_27 (top_25 INTEGER, wins INTEGER)
### Question:
What is the average top-25 value for majors that have more than 0 wins?
### Answer:
SELECT AVG(top_25) FROM table_name_27 WHERE wins > 0