CREATE TABLE table_name_52 (points VARCHAR, year VARCHAR, chassis VARCHAR)

How many points does the year after 1986 with a AGS JH23B chassis have?
SELECT points FROM table_name_52 WHERE year > 1986 AND chassis = "ags jh23b"
SELECT "points" FROM "table_name_52" WHERE "ags jh23b" = "chassis" AND "year" > 1986