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_15001681_1 ( mixed_doubles VARCHAR, womens_singles VARCHAR, mens_singles VARCHAR )

### Question ###
In 2001, where the mens singles is armand jehle and the womens singles is michaela ritter, who are the mixed doubles

### Accurate SQL ###

SELECT mixed_doubles FROM table_15001681_1 WHERE womens_singles = "Michaela Ritter" AND mens_singles = "Armand Jehle"