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 |
| --- | --- | --- | --- | --- |
| 1950.0 | SA Alfa Romeo | Alfa Romeo 158 | Alfa Romeo Straight-8 | 0.0 |
| 1951.0 | Scuderia Ferrari | Ferrari 375 F1 | Ferrari V12 | 10.0 |
| 1952.0 | Scuderia Ferrari | Ferrari 500 | Ferrari Straight-4 | 22.0 |
| 1954.0 | Scuderia Ferrari | Ferrari 625 | Ferrari Straight-4 | 0.0 |
| 1955.0 | Scuderia Ferrari | Ferrari 555 | Ferrari Straight-4 | 9.0 |
| 1955.0 | Daimler Benz AG | Mercedes-Benz W196 | Mercedes-Benz Straight-8 | 9.0 |
| 1956.0 | Officine Alfieri Maserati | Maserati 250F | Maserati Straight-6 | 0.0 |
| 1956.0 | Vandervell Products Ltd. | Vanwall | Vanwall Straight-4 | 0.0 |
Question:
Which Entrant has a vanwall straight-4 engine?
Answer:
Vandervell Products Ltd.