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

### Instruction:
How many Inhabitants were there after 2009 in the Municipality with a Party of union for trentino?

### Inputs:
table_name: table, columns: ['Municipality', 'Inhabitants', 'Mayor', 'Party', 'Election']

### Response:
SELECT AVG Inhabitants FROM table WHERE Party = union for trentino AND Election > 2009