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
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15001572_1 (mixed_doubles VARCHAR, year VARCHAR) Question: Who won the mixed doubles in 1998? [/INST] SELECT mixed_doubles FROM table_15001572_1 WHERE year = 1998 </s>