CREATE TABLE table_69958 ("Year" FLOAT, "Men's singles" CLOB, "Women's singles" CLOB, "Men's doubles" CLOB, "Women's doubles" CLOB, "Mixed doubles" CLOB)

Who won the men's singles in 1958?
SELECT "Men's singles" FROM table_69958 WHERE "Year" = '1958'
SELECT "Men's singles" FROM "table_69958" WHERE "Year" = '1958'