user: Question: Name the total number of domestic mail for 7853 for total frieght and mail
Columns: ['Year', 'Domestic freight', 'Domestic mail', 'International freight', 'International mail', 'Total freight and mail', 'Change']
Types: ['real', 'real', 'real', 'real', 'real', 'real', 'text']
Sample row: [2006.0, 132.0, 260.0, 2883.0, 3.0, 3278.0, '+9,8%']
SQL:

assistant: SELECT SUM("Domestic mail") FROM "Table" WHERE "Total freight and mail" = 7853.0;