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

### Instruction:
How much Micro (10ha) has a Big (>500ha) larger than 63,454, and a Medium (500ha) larger than 440, and a Small (100ha) smaller than 21,047?

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

### Response:
SELECT COUNT Micro (10ha) FROM table WHERE Big (>500ha) > 63,454 AND Medium (500ha) > 440 AND Small (100ha) < 21,047