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

### Instruction:
What is the average Year when Australia was the runner-up at victoria golf club?

### Inputs:
table_name: table, columns: ['Year', 'Venue', 'Location', 'Winners', 'Runners-up']

### Response:
SELECT AVG Year FROM table WHERE Runners-up = australia AND Venue = victoria golf club