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_28797906_3 (average VARCHAR, wickets VARCHAR)
### Question:
What is the average of all the wickets that were 27?
### Answer:
SELECT average FROM table_28797906_3 WHERE wickets = 27