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_73 ( year VARCHAR, entrant VARCHAR, points VARCHAR, engine VARCHAR )

### Question ###
When were there less than 1 point with a cosworth v8 engine in jolly club switzerland?

### Accurate SQL ###

SELECT year FROM table_name_73 WHERE points < 1 AND engine = "cosworth v8" AND entrant = "jolly club switzerland"