Table schema:
CREATE TABLE table_name_65 (conceded INTEGER, played VARCHAR, points VARCHAR, position VARCHAR)

Question: What is the average number conceded for hte team that had less than 19 points, played more than 18 games and had a position less than 10?
SQL: SELECT AVG(conceded) FROM table_name_65 WHERE points < 19 AND position < 10 AND played > 18