Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What Opponent in the final has a Date of 19 september 1988?

### Inputs:
table_name: table, columns: ['Outcome', 'Date', 'Championship', 'Surface', 'Opponent in the final', 'Score in the final']

### Response:
SELECT Opponent in the final FROM table WHERE Date = 19 september 1988