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

### Instruction:
What was the SlNo no of contact person SDE (P), Thiruppattur?

### Inputs:
table_name: table, columns: ['SlNo', 'Name of the City', 'Address', 'Contact Person', 'Telephone No', 'Facilities Offered']

### Response:
SELECT SlNo FROM table WHERE Contact Person = SDE (P), Thiruppattur