user: Question: What was the result when they played the Miami Dolphins with a crowd of 21881?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 8, 1985', 'San Diego Chargers', 'L 14–9', 67597.0]
SQL:

assistant: SELECT "Result" FROM "Table" WHERE "Attendance" > 21881.0 AND "Opponent" = 'Miami Dolphins';