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 (class VARCHAR, rank VARCHAR, entrant VARCHAR, points VARCHAR, chassis VARCHAR)
### Question:
What was the class when adt champion racing ranked 1st with an audi r8 chassis, and less than 206 points?
### Answer:
SELECT class FROM table_name_2 WHERE points < 206 AND chassis = "audi r8" AND entrant = "adt champion racing" AND rank = "1st"