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_65 (d_50 VARCHAR, d_41 VARCHAR)
### Question:
What is the D 50 when the D 41 is d 41?
### Answer:
SELECT d_50 FROM table_name_65 WHERE d_41 = "d 41"