Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_87 ( date_married VARCHAR, name_dates VARCHAR )

### Question ###
When did Louise, Princess royal get married?

### Accurate SQL ###

SELECT date_married FROM table_name_87 WHERE name_dates = "louise, princess royal"