Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_21802 ( "Year" real, "Domestic freight" real, "Domestic mail" real, "International freight" real, "International mail" real, "Total freight and mail" real, "Change" text )

### Question ###
Name the total number of domestic mail for 7853 for total frieght and mail

### Accurate SQL ###

SELECT COUNT("Domestic mail") FROM table_21802 WHERE "Total freight and mail" = '7853'