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_55 (pal_m VARCHAR, pal_i VARCHAR)
### Question:
Which PAL M has a PAL I of 50HZ?
### Answer:
SELECT pal_m FROM table_name_55 WHERE pal_i = "50hz"