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_30 (drawn INTEGER, difference VARCHAR, lost VARCHAR)
### Question:
What is the average drawn of the team with a difference of 4 and more than 13 losses?
### Answer:
SELECT AVG(drawn) FROM table_name_30 WHERE difference = "4" AND lost > 13