Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Team | Chassis | Engine | Points |
| --- | --- | --- | --- | --- |
| 1959.0 | Team Lotus | Lotus 16 | Climax Straight-4 | 0.0 |
| 1960.0 | Fred Armbruster | Cooper T45 | Ferrari Straight-4 | 0.0 |
| 1969.0 | Pete Lovely Volkswagen Inc. | Lotus 49B | Cosworth V8 | 0.0 |
| 1970.0 | Pete Lovely Volkswagen Inc. | Lotus 49B | Cosworth V8 | 0.0 |
| 1971.0 | Pete Lovely Volkswagen Inc. | Lotus 69 Special | Cosworth V8 | 0.0 |
Question:
What year did the Cosworth v8 engine participate in?
Answer:
1970.0