user: Question: What is the average number of pieces for boards that started in 1941 and were released after 2001?
Columns: ['Release', 'Start', 'Pieces', 'Board (inches)', 'Board (cm)', 'Type']
Types: ['real', 'text', 'real', 'text', 'text', 'text']
Sample row: [1981.0, '1942', 415.0, '37 × 19½', '93 × 50', 'Global']
SQL:

assistant: SELECT AVG("Pieces") FROM "Table" WHERE "Start" = '1941' AND "Release" > 2001.0;