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_6543 ( "Year" real, "Men's singles" text, "Women's singles" text, "Men's doubles" text, "Women's doubles" text, "Mixed doubles" text )

### Question ###
Name the total numbe rof years for gaby weissen mireille kosmala

### Accurate SQL ###

SELECT COUNT("Year") FROM table_6543 WHERE "Women's doubles" = 'gaby weissen mireille kosmala'