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 |
| --- | --- | --- | --- | --- |
| 1961.0 | Scuderia Centro Sud | Cooper T53 | Maserati Straight-4 | 0.0 |
| 1962.0 | Scuderia Ferrari | Ferrari 156 | Ferrari V6 | 4.0 |
| 1963.0 | Scuderia Centro Sud | BRM P57 | BRM V8 | 6.0 |
| 1963.0 | Scuderia Ferrari | Ferrari 156 | Ferrari V6 | 6.0 |
| 1964.0 | Scuderia Ferrari | Ferrari 156 | Ferrari V6 | 23.0 |
| 1964.0 | Scuderia Ferrari | Ferrari 158 | Ferrari V8 | 23.0 |
| 1964.0 | North American Racing Team | Ferrari 1512 | Ferrari Flat-12 | 23.0 |
| 1965.0 | Scuderia Ferrari | Ferrari 1512 | Ferrari Flat-12 | 13.0 |
| 1965.0 | Scuderia Ferrari | Ferrari 158 | Ferrari V8 | 13.0 |
| 1966.0 | Scuderia Ferrari | Ferrari 246 | Ferrari V6 | 12.0 |
| 1966.0 | Scuderia Ferrari | Ferrari 312/66 | Ferrari V12 | 12.0 |
| 1967.0 | Scuderia Ferrari | Ferrari 312/67 | Ferrari V12 | 0.0 |
Question:
What was the sum of the years, when the entrant was Scuderia Centro Sud, and when there were 6 points?
Answer:
1963.0