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_2 (extra_points INTEGER, player VARCHAR, points VARCHAR)
### Question:
Which Extra points is the highest one that has a Player of herrnstein, and Points smaller than 30?
### Answer:
SELECT MAX(extra_points) FROM table_name_2 WHERE player = "herrnstein" AND points < 30