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

### Instruction:
How many different results of the population count in 2001 are there for the census division whose population in 1996 is 880859?

### Inputs:
table_name: table, columns: ['Census division', 'Area (km²)', 'Pop. (2011)', 'Pop. (2006)', 'Pop. (2001)', 'Pop. (1996)']

### Response:
SELECT COUNT Pop. (2001) FROM table WHERE Pop. (1996) = 880859