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_50 (ntfs VARCHAR, refs VARCHAR, hpfs VARCHAR)
### Question:
Which NTFS has a no for ReFS and a yes for HPFS?
### Answer:
SELECT ntfs FROM table_name_50 WHERE refs = "no" AND hpfs = "yes"