Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_4 (year VARCHAR, engine VARCHAR, points VARCHAR)
### Question:
How many entrants have a mercedes fo 108w 2.4l v8 engine and over 0 points?
### Answer:
SELECT COUNT(year) FROM table_name_4 WHERE engine = "mercedes fo 108w 2.4l v8" AND points > 0