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_38 (date_of_registration VARCHAR, province VARCHAR, party VARCHAR)
### Question:
When was the Partido radical party in Madrid registered?
### Answer:
SELECT date_of_registration FROM table_name_38 WHERE province = "madrid" AND party = "partido radical"