Which year had 0 points and an AGS JH23B chassis?
CREATE TABLE table_name_81 (year VARCHAR, points VARCHAR, chassis VARCHAR)
SELECT year FROM table_name_81 WHERE points = 0 AND chassis = "ags jh23b"
### Context: CREATE TABLE table_name_81 (year VARCHAR, points VARCHAR, chassis VARCHAR) ### Question: Which year had 0 points and an AGS JH23B chassis? ### Answer: SELECT year FROM table_name_81 WHERE points = 0 AND chassis = "ags jh23b"