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