CREATE TABLE table_18001 ("K\\u014dhaku #" FLOAT, "Date" TEXT, "Red Team Host" TEXT, "White Team Host" TEXT, "Mediator" TEXT, "Winning Team" TEXT)

Who was the mediator in k haku number 53?
SELECT "Mediator" FROM table_18001 WHERE "K\u014dhaku #" = '53'
SELECT "Mediator" FROM "table_18001" WHERE "K\u014dhaku #" = '53'