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_47 ( points INTEGER, year VARCHAR, chassis VARCHAR )

### Question ###
Name the sumof points for year less than 1994 and chassis of lola lc89b

### Accurate SQL ###

SELECT SUM(points) FROM table_name_47 WHERE year < 1994 AND chassis = "lola lc89b"