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

### Instruction:
What Category has a Result of Nominated, Year of 2006, and the Title of Pierrepoint?

### Inputs:
table_name: table, columns: ['Year', 'Award', 'Category', 'Title', 'Result']

### Response:
SELECT Category FROM table WHERE Result = nominated AND Year = 2006 AND Title = pierrepoint