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_3 (margin INTEGER, round VARCHAR)
### Question:
What is the average Margin that has a Round of 13. (h)?
### Answer:
SELECT AVG(margin) FROM table_name_3 WHERE round = "13. (h)"