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 |
| --- | --- | --- | --- | --- | --- |
| XI Pau Grand Prix | Pau | 10 April | Juan Manuel Fangio | Maserati | Report |
| II Richmond Trophy | Goodwood | 10 April | Reg Parnell | Maserati | Report |
| V San Remo Grand Prix | Sanremo | 16 April | Juan Manuel Fangio | Alfa Romeo | Report |
| IV Grand Prix de Paris | Montlhéry | 30 April | Georges Grignard | Talbot-Lago | Report |
| XII British Empire Trophy | Douglas | 15 June | Bob Gerard | ERA | Report |
| IV Gran Premio di Bari | Bari | 9 July | Giuseppe Farina | Alfa Romeo | Report |
| IV J.C.C. Jersey Road Race | Jersey | 13 July | Peter Whitehead | Ferrari | Report |
| XII Circuit de l'Albigeois | Albi | 16 July | Louis Rosier | Talbot-Lago | Report |
| I Grote Prijs van Nederland | Zandvoort | 23 July | Louis Rosier | Talbot-Lago | Report |
| III Grand Prix des Nations | Geneve | 30 July | Juan Manuel Fangio | Alfa Romeo | Report |
| I Nottingham Trophy | Gamston | 7 August | David Hampshire | Maserati | Report |
| IV Ulster Trophy | Dundrod | 12 August | Peter Whitehead | Ferrari | Report |
| XIX Coppa Acerbo | Pescara | 15 August | Juan Manuel Fangio | Alfa Romeo | Report |
| I Sheffield Telegraph Trophy | Gamston | 19 August | Cuth Harrison | ERA | Report |
| II BRDC International Trophy | Silverstone | 26 August | Giuseppe Farina | Alfa Romeo | Report |
| III Goodwood Trophy | Goodwood | 30 September | Reg Parnell | BRM | Report |
| X Gran Premio de Penya Rhin | Pedralbes | 29 October | Alberto Ascari | Ferrari | Report |
Question:
Which driver won the iv j.c.c. jersey road race?
Answer:
Peter Whitehead