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

### Instruction:
At the VFL Reserves, who was the opponent when the score was 18.6 (114) - 21.14 (140)?

### Inputs:
table_name: table, columns: ['Year', 'Competition', 'Opponent', 'Score', 'Venue']

### Response:
SELECT Opponent FROM table WHERE Competition = vfl reserves AND Score = 18.6 (114) - 21.14 (140)