user: Question: Who was No. 9 when Ava was No. 4 and Addison was No. 6?
Columns: ['Region (year)', 'No. 1', 'No. 2', 'No. 3', 'No. 4', 'No. 5', 'No. 6', 'No. 7', 'No. 8', 'No. 9']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Alabama (2008)', 'Emma', 'Madison', 'Addison', 'Ava', 'Emily', 'Chloe', 'Anna', 'Hannah', 'Isabella']
SQL:

assistant: SELECT "No. 9" FROM "Table" WHERE "No. 4" = 'Ava' AND "No. 6" = 'Addison';