CREATE TABLE table_204_522 (id DECIMAL, "boat #" TEXT, "name" TEXT, "builder" TEXT, "laid down" TEXT, "launched" TEXT, "completed" TEXT, "fate" TEXT)

which boat was laid down on the same day as ha-202 ?
SELECT "name" FROM table_204_522 WHERE "name" <> 'ha-202' AND "laid down" = (SELECT "laid down" FROM table_204_522 WHERE "name" = 'ha-202')
SELECT "name" FROM "table_204_522" WHERE "laid down" = (SELECT "laid down" FROM "table_204_522" WHERE "name" = 'ha-202') AND "name" <> 'ha-202'