CREATE TABLE table_14637 ("Year" CLOB, "Men's singles" CLOB, "Women's singles" CLOB, "Men's doubles" CLOB, "Women's doubles" CLOB, "Mixed doubles" CLOB)

The year the Women's singles was won by Christine Magnusson who was the winner of the Men's singles?
SELECT "Men's singles" FROM table_14637 WHERE "Women's singles" = 'christine magnusson'
SELECT "Men's singles" FROM "table_14637" WHERE "Women's singles" = 'christine magnusson'