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_67 (d_48_√ VARCHAR, d_50_o VARCHAR)
### Question:
What is the D48 when the D 50 O is d 31?
### Answer:
SELECT d_48_√ FROM table_name_67 WHERE d_50_o = "d 31"