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_91 (date VARCHAR, tyre VARCHAR, circuit VARCHAR)
### Question:
On what date is there a Tryre of d at the Circuit of monaco?
### Answer:
SELECT date FROM table_name_91 WHERE tyre = "d" AND circuit = "monaco"