CREATE TABLE table_15890 ("Player" TEXT, "Years Played" TEXT, "Total W-L" TEXT, "Singles W-L" TEXT, "Doubles W-L" TEXT)

what's the doubles w-l for player seol jae-min (none)
SELECT "Doubles W-L" FROM table_15890 WHERE "Player" = 'Seol Jae-Min (none)'
SELECT "Doubles W-L" FROM "table_15890" WHERE "Player" = 'Seol Jae-Min (none)'