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

### Instruction:
What is the Coefficient of 2 ppt?

### Inputs:
table_name: table, columns: ['Coefficient', 'Parts-per example', 'Uno equiv.', 'Symbol form', 'Value of quantity']

### Response:
SELECT Coefficient FROM table WHERE Parts-per example = 2 ppt