CREATE TABLE table_204_642 (id DECIMAL, "team" TEXT, "domestic tournament" TEXT, "position" TEXT, "appearance" TEXT, "qualified" TEXT)

the auckland aces and yorkshire carnegie qualified on what date ?
SELECT "qualified" FROM table_204_642 WHERE "team" = 'auckland aces'
SELECT "qualified" FROM "table_204_642" WHERE "team" = 'auckland aces'