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_12771 ( "Position" real, "Club" text, "Played" real, "Points" real, "Wins" real, "Draws" real, "Losses" real, "Goals for" real, "Goals against" real, "Goal Difference" real )

### Question ###
How much Goal Difference has less than 9 Losses, and 8 Draws, and more than 40 points?

### Accurate SQL ###

SELECT SUM("Goal Difference") FROM table_12771 WHERE "Losses" < '9' AND "Draws" = '8' AND "Points" > '40'