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_70566 ( "Year" real, "Entrant" text, "Chassis" text, "Engine" text, "Points" real )

### Question ###
How many points does the year after 1986 with a AGS JH23B chassis have?

### Accurate SQL ###

SELECT "Points" FROM table_70566 WHERE "Year" > '1986' AND "Chassis" = 'ags jh23b'