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_38 (extra_points INTEGER, player VARCHAR, points VARCHAR)
### Question:
What was the highest number of extra points scored by Albert Herrnstein, when he scored more than 15 points total?
### Answer:
SELECT MAX(extra_points) FROM table_name_38 WHERE player = "albert herrnstein" AND points > 15