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_18 (date VARCHAR, round VARCHAR, circuit VARCHAR)
### Question:
What is Date, when Round is less than 10, and when Circuit is "Norisring"?
### Answer:
SELECT date FROM table_name_18 WHERE round < 10 AND circuit = "norisring"