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