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

### Instruction:
How many Crowd that has a Date on saturday, 29 january and an Away team of collingwood?

### Inputs:
table_name: table, columns: ['Home team', 'Home team score', 'Away team', 'Away team score', 'Ground', 'Crowd', 'Date']

### Response:
SELECT AVG Crowd FROM table WHERE Date = saturday, 29 january AND Away team = collingwood