CREATE TABLE table_6956 ("Year" FLOAT, "Men's singles" TEXT, "Women's singles" TEXT, "Men's doubles" TEXT, "Women's doubles" TEXT, "Mixed doubles" TEXT)

Who won men's doubles in 1994?
SELECT "Men's doubles" FROM table_6956 WHERE "Year" = '1994'
SELECT "Men's doubles" FROM "table_6956" WHERE "Year" = '1994'