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_49 (goal_difference VARCHAR, position INTEGER)

### Question ###
Name the total number of goal difference when the position is more than 20

### Accurate SQL ###

SELECT COUNT(goal_difference) FROM table_name_49 WHERE position > 20