Who won the mixed doubles in 1998?
CREATE TABLE table_15001572_1 (mixed_doubles VARCHAR, year VARCHAR)
SELECT mixed_doubles FROM table_15001572_1 WHERE year = 1998
### Context: CREATE TABLE table_15001572_1 (mixed_doubles VARCHAR, year VARCHAR) ### Question: Who won the mixed doubles in 1998? ### Answer: SELECT mixed_doubles FROM table_15001572_1 WHERE year = 1998