user: Question: What is the MIntage after 2006 of the Ruby-throated Hummingbird Theme coin?
Columns: ['Year', 'Theme', 'Face Value', 'Weight', 'Diameter', 'Mintage', 'Issue Price']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [2006.0, 'Dog sled', 'Thirty dollars', '31.50 g', '40mm', 15000.0, '$89.95']
SQL:

assistant: SELECT "Mintage" FROM "Table" WHERE "Year" > 2006.0 AND "Theme" = 'Ruby-throated Hummingbird';