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

### Instruction:
When  9/07/1999 is the date of withdrawn what is the original number?

### Inputs:
table_name: table, columns: ['Original number', 'UIC number', 'Name', 'Constructer', 'constructor number', 'Year', 'Withdrawn', 'Kilometers worked']

### Response:
SELECT Original number FROM table WHERE Withdrawn = 9/07/1999