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_59702 ( "Place" real, "Nation" text, "All Around" real, "Final" real, "Total" real )

### Question ###
What is the average final with an all around larger than 19.4 and total more than 39.9?

### Accurate SQL ###

SELECT AVG("Final") FROM table_59702 WHERE "All Around" > '19.4' AND "Total" > '39.9'