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_21 (pre__season VARCHAR, may_5 VARCHAR)
### Question:
Which pre-season has May 5 of 21?
### Answer:
SELECT pre__season FROM table_name_21 WHERE may_5 = "21"