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_19789 ( "Year" real, "Mens singles" text, "Womens singles" text, "Mens doubles" text, "Womens doubles" text, "Mixed doubles" text )

### Question ###
How may women doubles winner were there when Philippe Aulner was mens singles winner?

### Accurate SQL ###

SELECT COUNT("Womens doubles") FROM table_19789 WHERE "Mens singles" = 'Philippe Aulner'