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_conceded INTEGER, points VARCHAR, played VARCHAR )

### Question ###
What are the total amount of Goals Conceded when the Points are less than 26, and when the value for Played is less than 18?

### Accurate SQL ###

SELECT SUM(goals_conceded) FROM table_name_86 WHERE points < 26 AND played < 18