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

### Instruction:
Which Big (>500ha) has a Micro (10ha) larger than 940, and a Department of potosí, and a Total smaller than 16,240?

### Inputs:
table_name: table, columns: ['Department', 'Micro (10ha)', 'Small (100ha)', 'Medium (500ha)', 'Big (>500ha)', 'Total']

### Response:
SELECT MAX Big (>500ha) FROM table WHERE Micro (10ha) > 940 AND Department = potosí AND Total < 16,240