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

### Instruction:
In 1987, what is the Runners-up when Stefan Edberg is Champion?

### Inputs:
table_name: table, columns: ['Year', 'Name of Tournament', 'Champions', 'Runners-up', 'Score']

### Response:
SELECT Runners-up FROM table WHERE Champions = stefan edberg AND Year = 1987