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

### Instruction:
Which Division that has a Reg Season of 1st, western, and Playoffs of champions, and a Year smaller than 2013?

### Inputs:
table_name: table, columns: ['Year', 'Division', 'League', 'Reg. Season', 'Playoffs']

### Response:
SELECT AVG Division FROM table WHERE Reg. Season = 1st, western AND Playoffs = champions AND Year < 2013