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_74 (set_2 VARCHAR, set_4 VARCHAR)
### Question:
What set 2 has a set 4 of 21-25?
### Answer:
SELECT set_2 FROM table_name_74 WHERE set_4 = "21-25"