CREATE TABLE table_203_720 (id NUMBER, "date" CLOB, "opponent#" CLOB, "rank#" CLOB, "site" CLOB, "result" CLOB)

which is the only opponent to play in the louisiana superdome ?
SELECT "opponent#" FROM table_203_720 WHERE "site" = 'louisiana superdome • new orleans'
SELECT "opponent#" FROM "table_203_720" WHERE "site" = 'louisiana superdome • new orleans'