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_81 ( goals_conceded INTEGER, played VARCHAR, draw VARCHAR, points VARCHAR )

### Question ###
How many goals were conceded by the team with more than 21 points more than 5 draws and less than 18 games played?

### Accurate SQL ###

SELECT SUM(goals_conceded) FROM table_name_81 WHERE draw > 5 AND points > 21 AND played < 18