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 | Entrant | Chassis | Engine | Points |
| --- | --- | --- | --- | --- |
| 1975.0 | Warsteiner Brewery | Hesketh 308 | Cosworth V8 | 0.0 |
| 1976.0 | Hesketh Racing | Hesketh 308D | Cosworth V8 | 0.0 |
| 1977.0 | Hesketh Racing | Hesketh 308E | Cosworth V8 | 0.0 |
| 1978.0 | Sachs Racing | Ensign N177 | Cosworth V8 | 0.0 |
| 1978.0 | ATS Engineering | ATS HS1 | Cosworth V8 | 0.0 |
| 1980.0 | Team ATS | ATS D4 | Cosworth V8 | 0.0 |
Question:
What are the lowest number of points with a Year of 1978, and a Chassis of ensign n177?
Answer:
0.0