CREATE TABLE table_19665 ("Year" FLOAT, "Mens singles" TEXT, "Womens singles" TEXT, "Mens doubles" TEXT, "Womens doubles" TEXT, "Mixed doubles" TEXT)

Name the mens singles for 1989
SELECT "Mens singles" FROM table_19665 WHERE "Year" = '1989'
SELECT "Mens singles" FROM "table_19665" WHERE "Year" = '1989'