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

### Instruction:
What was the Billboard peak for the album released on September 12, 2000 by sanctuary?

### Inputs:
table_name: table, columns: ['Date of release', 'Title', 'Billboard peak', 'RIAA cert.', 'Label']

### Response:
SELECT Billboard peak FROM table WHERE Label = sanctuary AND Date of release = september 12, 2000