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

### Instruction:
What's the category for the tween academy: class of 2012 nomination?

### Inputs:
table_name: table, columns: ['Year', 'Award giving body', 'Category', 'Nominated for', 'Result']

### Response:
SELECT Category FROM table WHERE Nominated for = tween academy: class of 2012