CREATE TABLE table_30304 ("Year Location" TEXT, "Mens Singles" TEXT, "Womens Singles" TEXT, "Mens Doubles" TEXT, "Womens Doubles" TEXT)

Who won in the men singles group in the year when Yoshie Takada won in the women singles?
SELECT "Mens Singles" FROM table_30304 WHERE "Womens Singles" = 'Yoshie Takada'
SELECT "Mens Singles" FROM "table_30304" WHERE "Womens Singles" = 'Yoshie Takada'