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:
| Constructor | Chassis | Engine | Tyre | Driver | Rounds |
| --- | --- | --- | --- | --- | --- |
| Ferrari | 312T 312T2 | Ferrari 015 3.0 F12 | G | Niki Lauda | 1-10, 13-16 |
| Ferrari | 312T 312T2 | Ferrari 015 3.0 F12 | G | Clay Regazzoni | 1-10, 12-16 |
| Ferrari | 312T 312T2 | Ferrari 015 3.0 F12 | G | Carlos Reutemann | 13 |
| Tyrrell - Ford | 007 P34 | Ford Cosworth DFV 3.0 V8 | G | Jody Scheckter | All |
| Tyrrell - Ford | 007 P34 | Ford Cosworth DFV 3.0 V8 | G | Patrick Depailler | All |
| Lotus - Ford | 77 | Ford Cosworth DFV 3.0 V8 | G | Ronnie Peterson | 1 |
| Lotus - Ford | 77 | Ford Cosworth DFV 3.0 V8 | G | Bob Evans | 2-3 |
| Lotus - Ford | 77 | Ford Cosworth DFV 3.0 V8 | G | Mario Andretti | 4-5, 7-16 |
| Lotus - Ford | 77 | Ford Cosworth DFV 3.0 V8 | G | Mario Andretti | 1 |
| Lotus - Ford | 77 | Ford Cosworth DFV 3.0 V8 | G | Gunnar Nilsson | 2-16 |
| Brabham - Alfa Romeo | BT45 | Alfa Romeo 115-12 3.0 F12 | G | Carlos Reutemann | 1-12 |
| Brabham - Alfa Romeo | BT45 | Alfa Romeo 115-12 3.0 F12 | G | Rolf Stommelen | 13 |
| Brabham - Alfa Romeo | BT45 | Alfa Romeo 115-12 3.0 F12 | G | Larry Perkins | 14-16 |
| Brabham - Alfa Romeo | BT45 | Alfa Romeo 115-12 3.0 F12 | G | Carlos Pace | All |
| Brabham - Alfa Romeo | BT45 | Alfa Romeo 115-12 3.0 F12 | G | Rolf Stommelen | 10 |
| March - Ford | 761 | Ford Cosworth DFV 3.0 V8 | G | Vittorio Brambilla | All |
| March - Ford | 761 | Ford Cosworth DFV 3.0 V8 | G | Lella Lombardi | 1 |
| March - Ford | 761 | Ford Cosworth DFV 3.0 V8 | G | Ronnie Peterson | 2-16 |
| March - Ford | 761 | Ford Cosworth DFV 3.0 V8 | G | Hans-Joachim Stuck | All |
| March - Ford | 761 | Ford Cosworth DFV 3.0 V8 | G | Arturo Merzario | 3-9 |
| McLaren - Ford | M23 M26 | Ford Cosworth DFV 3.0 V8 | G | James Hunt | All |
| McLaren - Ford | M23 M26 | Ford Cosworth DFV 3.0 V8 | G | Jochen Mass | All |
| Surtees - Ford | TS16 | Ford Cosworth DFV 3.0 V8 | G | Divina Galica | 9 |
| BRM | P201B | BRM P200 3.0 V12 | G | Ian Ashley | 1 |
| Tyrrell - Ford | 007 | Ford Cosworth DFV 3.0 V8 | G | Ian Scheckter | 2 |
| Shadow - Ford | DN5B DN8 | Ford Cosworth DFV 3.0 V8 | G | Tom Pryce | All |
| Shadow - Ford | DN5B DN8 | Ford Cosworth DFV 3.0 V8 | G | Jean-Pierre Jarier | All |
| Surtees - Ford | TS19 | Ford Cosworth DFV 3.0 V8 | G | Brett Lunger | 2-5, 7-11, 13-15 |
| Surtees - Ford | TS19 | Ford Cosworth DFV 3.0 V8 | G | Conny Andersson | 12 |
| Surtees - Ford | TS19 | Ford Cosworth DFV 3.0 V8 | G | Noritake Takahara | 16 |
| Surtees - Ford | TS19 | Ford Cosworth DFV 3.0 V8 | G | Alan Jones | 3-16 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Jacky Ickx | 1-6, 8-9 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Arturo Merzario | 10-16 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Renzo Zorzi | 1 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Michel Leclère | 2-8 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Chris Amon | 14 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Warwick Brown | 15 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Hans Binder | 16 |
| Williams - Ford | FW04 FW05 | Ford Cosworth DFV 3.0 V8 | G | Masami Kuwashima | 16 |
| Ensign - Ford | N174 N176 | Ford Cosworth DFV 3.0 V8 | G | Chris Amon | 2-7, 9-10 |
| Ensign - Ford | N174 N176 | Ford Cosworth DFV 3.0 V8 | G | Patrick Nève | 8 |
| Ensign - Ford | N174 N176 | Ford Cosworth DFV 3.0 V8 | G | Hans Binder | 11 |
| Ensign - Ford | N174 N176 | Ford Cosworth DFV 3.0 V8 | G | Jacky Ickx | 12-15 |
| Hesketh - Ford | 308D | Ford Cosworth DFV 3.0 V8 | G | Harald Ertl | 2-16 |
| Hesketh - Ford | 308D | Ford Cosworth DFV 3.0 V8 | G | Guy Edwards | 5, 8-10, 13-14 |
| Hesketh - Ford | 308D | Ford Cosworth DFV 3.0 V8 | G | Rolf Stommelen | 12 |
| Hesketh - Ford | 308D | Ford Cosworth DFV 3.0 V8 | G | Alex Ribeiro | 15 |
| Williams - Ford | FW04 | Ford Cosworth DFV 3.0 V8 | G | Emilio Zapico | 4 |
| Ligier - Matra | JS5 | Matra MS73 3.0 V12 | G | Jacques Laffite | All |
| Parnelli - Ford | VPJ4B | Ford Cosworth DFV 3.0 V8 | G | Mario Andretti | 2-3 |
| Penske - Ford | PC3 PC4 | Ford Cosworth DFV 3.0 V8 | G | John Watson | All |
| Fittipaldi - Ford | FD04 | Ford Cosworth DFV 3.0 V8 | G | Emerson Fittipaldi | All |
| Fittipaldi - Ford | FD04 | Ford Cosworth DFV 3.0 V8 | G | Ingo Hoffmann | 1, 3-4, 8 |
| Brabham - Ford | BT44B | Ford Cosworth DFV 3.0 V8 | G | Loris Kessel | 4-5, 7-8, 11 |
| Brabham - Ford | BT44B | Ford Cosworth DFV 3.0 V8 | G | Bob Evans | 9 |
| Brabham - Ford | BT44B | Ford Cosworth DFV 3.0 V8 | G | Emilio de Villota | 4 |
| Brabham - Ford | BT44B | Ford Cosworth DFV 3.0 V8 | G | Patrick Nève | 5 |
| Brabham - Ford | BT44B | Ford Cosworth DFV 3.0 V8 | G | Jac Nelleman | 7 |
| Brabham - Ford | BT44B | Ford Cosworth DFV 3.0 V8 | G | Damien Magee | 8 |
| Brabham - Ford | BT44B | Ford Cosworth DFV 3.0 V8 | G | Lella Lombardi | 9-11 |
| Boro - Ford | N175 | Ford Cosworth DFV 3.0 V8 | G | Larry Perkins | 4-7, 12 |
| Boro - Ford | N175 | Ford Cosworth DFV 3.0 V8 | G | Larry Perkins | 13 |
| Tyrrell - Ford | 007 | Ford Cosworth DFV 3.0 V8 | G | Alessandro Pesenti-Rossi | 13 |
| Tyrrell - Ford | 007 | Ford Cosworth DFV 3.0 V8 | G | Alessandro Pesenti-Rossi | 11 |
| Tyrrell - Ford | 007 | Ford Cosworth DFV 3.0 V8 | G | Alessandro Pesenti-Rossi | 10, 12 |
| Surtees - Ford | TS19 | Ford Cosworth DFV 3.0 V8 | G | Henri Pescarolo | 6, 8-15 |
| Penske - Ford | PC3 | Ford Cosworth DFV 3.0 V8 | G | Boy Hayje | 12 |
| Tyrrell - Ford | 007 | Ford Cosworth DFV 3.0 V8 | G | Otto Stuppacher | 13-15 |
| Shadow - Ford | DN3 | Ford Cosworth DFV 3.0 V8 | G | Mike Wilds | 9 |
| Kojima - Ford | KE007 | Ford Cosworth DFV 3.0 V8 | D | Masahiro Hasemi | 16 |
| Tyrrell - Ford | 007 | Ford Cosworth DFV 3.0 V8 | B | Kazuyoshi Hoshino | 16 |
| Maki - Ford | F102A | Ford Cosworth DFV 3.0 V8 | G | Tony Trimmer | 16 |
Question:
What chassis did John Watson drive?
Answer:
PC3 PC4