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 (time VARCHAR, set_2 VARCHAR, date VARCHAR)
### Question:
What is the Time when the Set 2 is 25–21, on 29 may?
### Answer:
SELECT time FROM table_name_91 WHERE set_2 = "25–21" AND date = "29 may"