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_80384 ( "Year" text, "Men's singles" text, "Women's singles" text, "Men's doubles" text, "Women's doubles" text, "Mixed doubles" text )

### Question ###
Who won the Women's doubles in the year that Jesper Knudsen Nettie Nielsen won the Mixed doubles?

### Accurate SQL ###

SELECT "Women's doubles" FROM table_80384 WHERE "Mixed doubles" = 'jesper knudsen nettie nielsen'