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

### Instruction:
What is the average number of pieces for boards that started in 1941 and were released after 2001?

### Inputs:
table_name: table, columns: ['Release', 'Start', 'Pieces', 'Board (inches)', 'Board (cm)', 'Type']

### Response:
SELECT AVG Pieces FROM table WHERE Start = 1941 AND Release > 2001