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:
| Entrant | Constructor | Chassis | Engine | Tyre | Driver | Rounds |
| --- | --- | --- | --- | --- | --- | --- |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Stirling Moss | 1–2, 4–8 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Jean Behra | 1–2, 4–8 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Carlos Menditeguy | 1 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Luigi Piotti | 1 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Chico Landi | 1 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Gerino Gerini | 1 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | José Froilán González | 1 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Cesare Perdisa | 2, 4–7 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Paco Godia | 4–8 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Piero Taruffi | 5 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Umberto Maglioli | 7–8 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Luigi Villoresi | 8 |
| Officine Alfieri Maserati | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Jo Bonnier | 8 |
| Owen Racing Organisation | Maserati BRM | 250F P25 | Maserati 250F1 2.5 L6 BRM P25 2.5 L4 | P D | Mike Hawthorn | 1–2, 6 |
| Owen Racing Organisation | Maserati BRM | 250F P25 | Maserati 250F1 2.5 L6 BRM P25 2.5 L4 | P D | Tony Brooks | 2, 6 |
| Owen Racing Organisation | Maserati BRM | 250F P25 | Maserati 250F1 2.5 L6 BRM P25 2.5 L4 | P D | Ron Flockhart | 6 |
| Alberto Uria | Maserati | A6GCM | Maserati 250F1 2.5 L6 | P | Alberto Uria | 1 |
| Alberto Uria | Maserati | A6GCM | Maserati 250F1 2.5 L6 | P | Óscar González | 1 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Juan Manuel Fangio | 1–2, 4–8 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Eugenio Castellotti | 1–2, 4–8 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Luigi Musso | 1–2, 7–8 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Peter Collins | 1–2, 4–8 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Olivier Gendebien | 1, 5 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Paul Frère | 4 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | André Pilette | 4 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Alfonso de Portago | 5–8 |
| Scuderia Ferrari | Ferrari | D50 555 | Lancia DS50 2.5 V8 Ferrari 555 2.5 L4 | E P | Wolfgang von Trips | 8 |
| Equipe Gordini | Gordini | T16 T32 | Gordini 23 2.5 L6 Gordini 25 2.5 L8 | E | Robert Manzon | 2, 5–8 |
| Equipe Gordini | Gordini | T16 T32 | Gordini 23 2.5 L6 Gordini 25 2.5 L8 | E | André Pilette | 2, 5, 7 |
| Equipe Gordini | Gordini | T16 T32 | Gordini 23 2.5 L6 Gordini 25 2.5 L8 | E | Hernando da Silva Ramos | 2, 5–6, 8 |
| Equipe Gordini | Gordini | T16 T32 | Gordini 23 2.5 L6 Gordini 25 2.5 L8 | E | André Milhoux | 7 |
| Equipe Gordini | Gordini | T16 T32 | Gordini 23 2.5 L6 Gordini 25 2.5 L8 | E | André Simon | 8 |
| Ecurie Rosier | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Louis Rosier | 2, 4–7 |
| Vandervell Products | Vanwall | VW 2 | Vanwall 254 2.5 L4 | P | Maurice Trintignant | 2, 4, 6, 8 |
| Vandervell Products | Vanwall | VW 2 | Vanwall 254 2.5 L4 | P | Harry Schell | 2, 4–6, 8 |
| Vandervell Products | Vanwall | VW 2 | Vanwall 254 2.5 L4 | P | Mike Hawthorn | 5 |
| Vandervell Products | Vanwall | VW 2 | Vanwall 254 2.5 L4 | P | Colin Chapman | 5 |
| Vandervell Products | Vanwall | VW 2 | Vanwall 254 2.5 L4 | P | José Froilán González | 6 |
| Vandervell Products | Vanwall | VW 2 | Vanwall 254 2.5 L4 | P | Piero Taruffi | 8 |
| Gould's Garage (Bristol) H.H. Gould | Maserati | 250F | Maserati 250F1 2.5 L6 | D | Horace Gould | 2, 4, 6–7 |
| Giorgio Scarlatti | Ferrari | 500 | Ferrari 500 2.0 L4 | P | Giorgio Scarlatti | 2 |
| Scuderia Centro Sud | Maserati Ferrari | 250F 500 | Maserati 250F1 2.5 L6 Ferrari 500 2.0 L4 | P | Luigi Villoresi | 4 |
| Scuderia Centro Sud | Maserati Ferrari | 250F 500 | Maserati 250F1 2.5 L6 Ferrari 500 2.0 L4 | P | Harry Schell | 7 |
| Scuderia Centro Sud | Maserati Ferrari | 250F 500 | Maserati 250F1 2.5 L6 Ferrari 500 2.0 L4 | P | Giorgio Scarlatti | 7 |
| Scuderia Centro Sud | Maserati Ferrari | 250F 500 | Maserati 250F1 2.5 L6 Ferrari 500 2.0 L4 | P | Toulo de Graffenried | 8 |
| Piero Scotti | Connaught - Alta | B | Alta GP 2.5 L4 | P | Piero Scotti | 4 |
| Automobiles Bugatti | Bugatti | T251 | Bugatti 2.5 L8 | E | Maurice Trintignant | 5 |
| Luigi Piotti | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Luigi Villoresi | 5–7 |
| Luigi Piotti | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Luigi Piotti | 7–8 |
| André Simon | Maserati | 250F | Maserati 250F1 2.5 L6 | P | André Simon | 5 |
| Scuderia Guastalla | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Umberto Maglioli | 6 |
| Scuderia Guastalla | Maserati | 250F | Maserati 250F1 2.5 L6 | P | Gerino Gerini | 8 |
| Connaught Engineering | Connaught - Alta | B | Alta GP 2.5 L4 | P A | Archie Scott-Brown | 6, 8 |
| Connaught Engineering | Connaught - Alta | B | Alta GP 2.5 L4 | P A | Desmond Titterington | 6 |
| Connaught Engineering | Connaught - Alta | B | Alta GP 2.5 L4 | P A | Jack Fairman | 6, 8 |
| Connaught Engineering | Connaught - Alta | B | Alta GP 2.5 L4 | P A | Les Leston | 8 |
| Connaught Engineering | Connaught - Alta | B | Alta GP 2.5 L4 | P A | Ron Flockhart | 8 |
| Bob Gerard | Cooper - Bristol | T23 | Bristol BS1 2.0 L6 | D | Bob Gerard | 6 |
| Gilby Engineering | Maserati | 250F | Maserati 250F1 2.5 L6 | D | Roy Salvadori | 6–8 |
| Bruce Halford | Maserati | 250F | Maserati 250F1 2.5 L6 | D | Bruce Halford | 6–8 |
| Jack Brabham | Maserati | 250F | Maserati 250F1 2.5 L6 | D | Jack Brabham | 6 |
| Emeryson Cars | Emeryson - Alta | 56 | Alta GP 2.5 L4 | D | Paul Emery | 6 |
| Ottorino Volonterio | Maserati | A6GCM | Maserati 250F1 2.5 L6 | P | Ottorino Volonterio | 7 |
Question:
What is the tyre with a 56 chassis?
Answer:
D