CREATE TABLE table_23680 ("Year" FLOAT, "Mens singles" TEXT, "Womens singles" TEXT, "Mens doubles" TEXT, "Womens doubles" TEXT, "Mixed doubles" TEXT)

who won mens doubles when zhou mi won womens singles
SELECT "Mens doubles" FROM table_23680 WHERE "Womens singles" = 'Zhou Mi'
SELECT "Mens doubles" FROM "table_23680" WHERE "Womens singles" = 'Zhou Mi'