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

### Instruction:
Which Pavilion depth has a Brilliance Grade of 100% and a Pavilion angle of n/a?

### Inputs:
table_name: table, columns: ['Benchmark', 'Crown height', 'Pavilion depth', 'Table diameter', 'Girdle thickness', 'Crown angle', 'Pavilion angle', 'Brilliance Grade']

### Response:
SELECT Pavilion depth FROM table WHERE Brilliance Grade = 100% AND Pavilion angle = n/a