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_4 (sn_sb___percentage_ VARCHAR, liquid_at__°c_ VARCHAR)
### Question:
What is the Sn/Sb percentage that is liquid at 258 degrees C?
### Answer:
SELECT sn_sb___percentage_ FROM table_name_4 WHERE liquid_at__°c_ = "258"