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

### Instruction:
Which Year has a Venue of bydgoszcz, poland, and an Event of junior team?

### Inputs:
table_name: table, columns: ['Year', 'Competition', 'Venue', 'Position', 'Event']

### Response:
SELECT AVG Year FROM table WHERE Venue = bydgoszcz, poland AND Event = junior team