CREATE TABLE table_18002 ("K\\u014dhaku #" FLOAT, "Date" TEXT, "Red Team Host" TEXT, "White Team Host" TEXT, "Mediator" TEXT, "Winning Team" TEXT)

On what date was Keiichi Ubukata the mediator and Mitsuko Mori the red team host?
SELECT "Date" FROM table_18002 WHERE "Mediator" = 'Keiichi Ubukata' AND "Red Team Host" = 'Mitsuko Mori'
SELECT "Date" FROM "table_18002" WHERE "Mediator" = 'Keiichi Ubukata' AND "Red Team Host" = 'Mitsuko Mori'