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

which team made their first appearance in the same tournament as the perth scorchers ?
SELECT "team" FROM table_204_642 WHERE "appearance" = 1 AND "team" <> 'perth scorchers' AND "domestic tournament" = (SELECT "domestic tournament" FROM table_204_642 WHERE "team" = 'perth scorchers')
SELECT "team" FROM "table_204_642" WHERE "appearance" = 1 AND "domestic tournament" = (SELECT "domestic tournament" FROM "table_204_642" WHERE "team" = 'perth scorchers') AND "team" <> 'perth scorchers'