CREATE TABLE table_15893 ("Player" TEXT, "Years Played" TEXT, "Total W-L" TEXT, "Singles W-L" TEXT, "Doubles W-L" TEXT)

what's the doubles w-l with years played value of 1 (1968)
SELECT "Doubles W-L" FROM table_15893 WHERE "Years Played" = '1 (1968)'
SELECT "Doubles W-L" FROM "table_15893" WHERE "Years Played" = '1 (1968)'