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_61 ( avg_g INTEGER, effic VARCHAR )

### Question ###
What is the sum avg/g with an effic of 858.4?

### Accurate SQL ###

SELECT SUM(avg_g) FROM table_name_61 WHERE effic = 858.4