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:
| Race Name | Circuit | Date | Winning driver | Constructor | Report |
| --- | --- | --- | --- | --- | --- |
| VI Glover Trophy | Goodwood | 7 April | Mike Hawthorn | Ferrari | Report |
| VIII Gran Premio di Siracusa | Syracuse | 13 April | Luigi Musso | Ferrari | Report |
| XIII BARC Aintree 200 | Aintree | 19 April | Stirling Moss | Cooper - Climax | Report |
| X BRDC International Trophy | Silverstone | 3 May | Peter Collins | Ferrari | Report |
| VI Grand Prix de Caen | Caen | 20 July | Stirling Moss | Cooper - Climax | Report |
Question:
What is the constructor where the circuit is Silverstone?
Answer:
Ferrari