Who all played mixed doubles in 2010?
CREATE TABLE table_name_68 (mixed_doubles VARCHAR, year VARCHAR)
SELECT mixed_doubles FROM table_name_68 WHERE year = 2010
### Context: CREATE TABLE table_name_68 (mixed_doubles VARCHAR, year VARCHAR) ### Question: Who all played mixed doubles in 2010? ### Answer: SELECT mixed_doubles FROM table_name_68 WHERE year = 2010