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_35 ( goal_difference VARCHAR, position VARCHAR )

### Question ###
What is the goal difference number with a position of 15?

### Accurate SQL ###

SELECT goal_difference FROM table_name_35 WHERE position = 15