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_45 (set_2 VARCHAR, date VARCHAR, set_3 VARCHAR)
### Question:
Which Set 2 has a Date of 25 may, and a Set 3 of 21–25?
### Answer:
SELECT set_2 FROM table_name_45 WHERE date = "25 may" AND set_3 = "21–25"