CREATE TABLE table_1071 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Location" CLOB, "Time  (  ET  ) " CLOB, "TV" CLOB, "Result" CLOB, "Record" CLOB)

Who was the opposing team played at Riverfront Stadium?
SELECT "Opponent" FROM table_1071 WHERE "Location" = 'Riverfront Stadium'
SELECT "Opponent" FROM "table_1071" WHERE "Location" = 'Riverfront Stadium'