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

### Instruction:
What is the average final with an all around larger than 19.4 and total more than 39.9?

### Inputs:
table_name: table, columns: ['Place', 'Nation', 'All Around', 'Final', 'Total']

### Response:
SELECT AVG Final FROM table WHERE All Around > 19.4 AND Total > 39.9