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_37 (laid_down VARCHAR, pennant VARCHAR)
### Question:
What is the laid down date of the destroyer with a r29 pennant?
### Answer:
SELECT laid_down FROM table_name_37 WHERE pennant = "r29"