user: Question: What was the average year for a coin that had a mintage smaller than 10000?
Columns: ['Year', 'Theme', 'Artist', 'Mintage', 'Issue Price', 'Special Notes']
Types: ['real', 'text', 'text', 'real', 'real', 'text']
Sample row: [2008.0, 'Calgary Flames', 'Marcos Hallam', 10000.0, 74.95, 'Includes special lucite stand']
SQL:

assistant: SELECT AVG("Year") FROM "Table" WHERE "Mintage" < 10000.0;