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:
| Driver | Entrant | Constructor | Chassis | Engine | Tyre |
| --- | --- | --- | --- | --- | --- |
| Juan Manuel Fangio | SA Alfa Romeo | Alfa Romeo | Alfa Romeo 158 | Alfa Romeo 159 LBC 1.5 L8 s | P |
| Giuseppe Farina | SA Alfa Romeo | Alfa Romeo | Alfa Romeo 158 | Alfa Romeo 159 LBC 1.5 L8 s | P |
| Luigi Fagioli | SA Alfa Romeo | Alfa Romeo | Alfa Romeo 158 | Alfa Romeo 159 LBC 1.5 L8 s | P |
| Reg Parnell | SA Alfa Romeo | Alfa Romeo | Alfa Romeo 158 | Alfa Romeo 159 LBC 1.5 L8 s | P |
| David Murray | Scuderia Ambrosiana | Maserati | Maserati 4CLT-48 | Maserati 4 CL 1.5 L4 s | D |
| David Hampshire | Scuderia Ambrosiana | Maserati | Maserati 4CLT-48 | Maserati 4 CL 1.5 L4 s | D |
| Leslie Johnson | T.A.S.O. Mathieson | ERA | ERA E | ERA 1.5 L6 s | D |
| Peter Walker Tony Rolt | Peter Walker | ERA | ERA E | ERA 1.5 L6 s | D |
| Joe Fry Brian Shawe-Taylor | Joe Fry | Maserati | Maserati 4CL | Maserati 4 CL 1.5 L4 s | D |
| Cuth Harrison | Cuth Harrison | ERA | ERA B | ERA 1.5 L6 s | D |
| Bob Gerard | Bob Gerard | ERA | ERA B | ERA 1.5 L6 s | D |
| Yves Giraud-Cabantous | Automobiles Talbot-Darracq SA | Talbot-Lago | Talbot-Lago T26C-DA | Talbot 23CV 4.5 L6 | D |
| Louis Rosier | Automobiles Talbot-Darracq SA | Talbot-Lago | Talbot-Lago T26C | Talbot 23CV 4.5 L6 | D |
| Philippe Étancelin | Automobiles Talbot-Darracq SA | Talbot-Lago | Talbot-Lago T26C | Talbot 23CV 4.5 L6 | D |
| Eugène Martin | Automobiles Talbot-Darracq SA | Talbot-Lago | Talbot-Lago T26C-DA | Talbot 23CV 4.5 L6 | D |
| Johnny Claes | Ecurie Belge | Talbot-Lago | Talbot-Lago T26C | Talbot 23CV 4.5 L6 | D |
| Louis Chiron | Officine Alfieri Maserati | Maserati | Maserati 4CLT-48 | Maserati 4 CL 1.5 L4 s | P |
| Toulo de Graffenried | Enrico Platé | Maserati | Maserati 4CLT-48 | Maserati 4 CL 1.5 L4 s | P |
| B. Bira | Enrico Platé | Maserati | Maserati 4CLT-48 | Maserati 4 CL 1.5 L4 s | P |
| Felice Bonetto | Scuderia Milano | Maserati | Maserati 4CLT-50 | Maserati 4 CL 1.5 L4 s | P |
| Joe Kelly | Joe Kelly | Alta | Alta GP | Alta 1.5 L4 s | D |
| Geoffrey Crossley | Geoffrey Crossley | Alta | Alta GP | Alta 1.5 L4 s | D |
| Raymond Mays | Raymond Mays | ERA | ERA D | ERA 1.5 L6 s | D |
| Sources: | Sources: | Sources: | Sources: | Sources: | Sources: |
Question:
who is the driver with the engine era 1.5 l6 s and the chassis is era b?
Answer:
Cuth Harrison, Bob Gerard