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_25 (diameter__km_ INTEGER, latitude VARCHAR)

### Question ###
COunt the sum of Diameter (km) which has a Latitude of 62.7n?

### Accurate SQL ###

SELECT SUM(diameter__km_) FROM table_name_25 WHERE latitude = "62.7n"