user: ### NOW ANSWER:
Question: What was the result of the game against the Miami Dolphins held at the Riverfront Stadium?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Location']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['1', 'September 13, 1987', 'at Indianapolis Colts', 'W 23–21', 'Hoosier Dome']
SQL:

assistant: SELECT "Result" FROM "Table" WHERE "Location" = 'Riverfront Stadium' AND "Opponent" = 'Miami Dolphins';