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 | Driver | Constructor | Location | Report |
| --- | --- | --- | --- | --- |
| 1978 | Niki Lauda | Brabham - Alfa Romeo | Anderstorp | Report |
| 1977 | Jacques Laffite | Ligier - Matra | Anderstorp | Report |
| 1976 | Jody Scheckter | Tyrrell - Ford | Anderstorp | Report |
| 1975 | Niki Lauda | Ferrari | Anderstorp | Report |
| 1974 | Jody Scheckter | Tyrrell - Ford | Anderstorp | Report |
| 1973 | Denny Hulme | McLaren - Ford | Anderstorp | Report |
| 1972 - 1968 | Not held | Not held | Not held | Not held |
| 1967 | Jackie Stewart | Matra - Cosworth | Karlskoga | Report |
| 1966 - 1958 | Not held | Not held | Not held | Not held |
| 1957 | Jean Behra Stirling Moss | Maserati | Kristianstad | Report |
| 1956 | Phil Hill Maurice Trintignant | Ferrari | Kristianstad | Report |
| 1955 - 1954 | Not held | Not held | Not held | Not held |
| 1953 | Erik Lundgren | EL Special | Skarpnäck | Report |
| 1952 | Gunnar Carlsson | Mercury Ardun Special | Skarpnäck | Report |
| 1951 - 1950 | Not held | Not held | Not held | Not held |
| 1949 | B. Bira | Maserati | Skarpnäck | Report |
| 1948 - 1934 | Not held | Not held | Not held | Not held |
| 1933 | Antonio Brivio | Alfa Romeo | Norra Vram | Report |
Question:
What is the constructor for Jackie Stewart's car?
Answer:
Matra - Cosworth