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 | Alfa Romeo SpA | Alfa Romeo 158 | Alfa Romeo Straight-8 | 4.0 |
| 1950.0 | Scuderia Ambrosiana | Maserati 4CLT/48 | Maserati Straight-4 | 4.0 |
| 1951.0 | G.A. Vandervell | Ferrari 375 Thinwall | Ferrari V12 | 5.0 |
| 1951.0 | BRM Ltd. | BRM P15 | BRM V16 | 5.0 |
| 1952.0 | A.H.M. Bryde | Cooper T20 | Bristol Straight-6 | 0.0 |
| 1954.0 | Scuderia Ambrosiana | Ferrari 500/625 | Ferrari Straight-4 | 0.0 |
Question:
What engine did Scuderia Ambrosiana with fewer than 4 points have?
Answer:
Ferrari Straight-4