CREATE TABLE table_204_29 (id DECIMAL, "rank" DECIMAL, "lane" DECIMAL, "name" TEXT, "nationality" TEXT, "time" TEXT, "notes" TEXT)

who is the only swimmer from australia to compete ?
SELECT "name" FROM table_204_29 WHERE "nationality" = 'australia'
SELECT "name" FROM "table_204_29" WHERE "nationality" = 'australia'