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_6544 ( "Year" real, "Men's singles" text, "Women's singles" text, "Men's doubles" text, "Women's doubles" text, "Mixed doubles" text )

### Question ###
Name the mixed doubles with martine ludwig angele da cruz, and men's doubles of christian wagener christian esch

### Accurate SQL ###

SELECT "Mixed doubles" FROM table_6544 WHERE "Women's doubles" = 'martine ludwig angele da cruz' AND "Men's doubles" = 'christian wagener christian esch'