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

### Instruction:
when roberts 86' is the scorer what is the round?

### Inputs:
table_name: table, columns: ['Date', 'Round', 'Opponent', 'Result', 'Venue', 'Scorers', 'Attendance', 'Match Report']

### Response:
SELECT Round FROM table WHERE Scorers = Roberts 86'