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_86 (goals__2008_ VARCHAR, age_at_debut VARCHAR, games__2008_ VARCHAR, debut_round VARCHAR)

### Question ###
What is the total number of goals that have games under 11, debut round over 15, and age of 20 years, 71 days?

### Accurate SQL ###

SELECT COUNT(goals__2008_) FROM table_name_86 WHERE games__2008_ < 11 AND debut_round > 15 AND age_at_debut = "20 years, 71 days"