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_name_1 ( city_area_km_2__ VARCHAR, headquartered_city VARCHAR, serial_no VARCHAR )

### Question ###
What was the total city area for vehari city with a serial number bigger than 36?

### Accurate SQL ###

SELECT COUNT(city_area_km_2__) FROM table_name_1 WHERE headquartered_city = "vehari city" AND serial_no > 36