CREATE TABLE table_name_73 (year VARCHAR, entrant VARCHAR, points VARCHAR, engine VARCHAR)

When were there less than 1 point with a cosworth v8 engine in jolly club switzerland?
SELECT year FROM table_name_73 WHERE points < 1 AND engine = "cosworth v8" AND entrant = "jolly club switzerland"
SELECT "year" FROM "table_name_73" WHERE "cosworth v8" = "engine" AND "entrant" = "jolly club switzerland" AND "points" < 1