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_name_49 ( mixed_doubles VARCHAR, year VARCHAR )

### Question ###
Who won the Mixed Doubles in 2007?

### Accurate SQL ###

SELECT mixed_doubles FROM table_name_49 WHERE year = "2007"