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_4 (year INTEGER, chassis VARCHAR, points VARCHAR)
### Question:
When is the latest year that an entrant has toro rosso str1 chassis and under 1 point?
### Answer:
SELECT MAX(year) FROM table_name_4 WHERE chassis = "toro rosso str1" AND points < 1