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 | Tyres | Driver | Rounds |
| --- | --- | --- | --- | --- | --- |
| Ferrari | 312T5 | Ferrari 015 3.0 F12 | M | Jody Scheckter | All |
| Ferrari | 312T5 | Ferrari 015 3.0 F12 | M | Gilles Villeneuve | All |
| Tyrrell - Ford | 009 010 | Ford Cosworth DFV 3.0 V8 | G | Jean-Pierre Jarier | All |
| Tyrrell - Ford | 009 010 | Ford Cosworth DFV 3.0 V8 | G | Derek Daly | All |
| Tyrrell - Ford | 009 010 | Ford Cosworth DFV 3.0 V8 | G | Mike Thackwell | 13-14 |
| Brabham - Ford | BT49 | Ford Cosworth DFV 3.0 V8 | G | Nelson Piquet | All |
| Brabham - Ford | BT49 | Ford Cosworth DFV 3.0 V8 | G | Ricardo Zunino | 1-7 |
| Brabham - Ford | BT49 | Ford Cosworth DFV 3.0 V8 | G | Héctor Rebaque | 8-14 |
| McLaren - Ford | M29B M29C M30 | Ford Cosworth DFV 3.0 V8 | G | John Watson | All |
| McLaren - Ford | M29B M29C M30 | Ford Cosworth DFV 3.0 V8 | G | Alain Prost | 1-3, 5-14 |
| McLaren - Ford | M29B M29C M30 | Ford Cosworth DFV 3.0 V8 | G | Stephen South | 4 |
| ATS - Ford | D3 D4 | Ford Cosworth DFV 3.0 V8 | G | Marc Surer | 1-3, 7-14 |
| ATS - Ford | D3 D4 | Ford Cosworth DFV 3.0 V8 | G | Jan Lammers | 4-6 |
| ATS - Ford | D3 D4 | Ford Cosworth DFV 3.0 V8 | G | Jan Lammers | 1-3 |
| ATS - Ford | D3 D4 | Ford Cosworth DFV 3.0 V8 | G | Harald Ertl | 9 |
| Lotus - Ford | 81 81B | Ford Cosworth DFV 3.0 V8 | G | Mario Andretti | All |
| Lotus - Ford | 81 81B | Ford Cosworth DFV 3.0 V8 | G | Elio de Angelis | All |
| Lotus - Ford | 81 81B | Ford Cosworth DFV 3.0 V8 | G | Nigel Mansell | 10-12 |
| Ensign - Ford | N180 | Ford Cosworth DFV 3.0 V8 | G | Clay Regazzoni | 1-4 |
| Ensign - Ford | N180 | Ford Cosworth DFV 3.0 V8 | G | Tiff Needell | 5-6 |
| Ensign - Ford | N180 | Ford Cosworth DFV 3.0 V8 | G | Jan Lammers | 7-14 |
| Ensign - Ford | N180 | Ford Cosworth DFV 3.0 V8 | G | Geoff Lees | 11-12 |
| Renault | RE20 | Renault-Gordini EF1 1.5 V6 t | M | Jean-Pierre Jabouille | 1-13 |
| Renault | RE20 | Renault-Gordini EF1 1.5 V6 t | M | René Arnoux | All |
| Shadow - Ford | DN11 DN12 | Ford Cosworth DFV 3.0 V8 | G | Stefan Johansson | 1-2 |
| Shadow - Ford | DN11 DN12 | Ford Cosworth DFV 3.0 V8 | G | Geoff Lees | 3-7 |
| Shadow - Ford | DN11 DN12 | Ford Cosworth DFV 3.0 V8 | G | Dave Kennedy | 1-7 |
| Fittipaldi - Ford | F7 F8 | Ford Cosworth DFV 3.0 V8 | G | Emerson Fittipaldi | All |
| Fittipaldi - Ford | F7 F8 | Ford Cosworth DFV 3.0 V8 | G | Keke Rosberg | All |
| Alfa Romeo | 179 | Alfa Romeo 1260 3.0 V12 | G | Patrick Depailler | 1-8 |
| Alfa Romeo | 179 | Alfa Romeo 1260 3.0 V12 | G | Vittorio Brambilla | 11-12 |
| Alfa Romeo | 179 | Alfa Romeo 1260 3.0 V12 | G | Andrea de Cesaris | 13-14 |
| Alfa Romeo | 179 | Alfa Romeo 1260 3.0 V12 | G | Bruno Giacomelli | All |
| Ligier - Ford | JS11/15 | Ford Cosworth DFV 3.0 V8 | G | Didier Pironi | All |
| Ligier - Ford | JS11/15 | Ford Cosworth DFV 3.0 V8 | G | Jacques Laffite | All |
| Williams - Ford | FW07 FW07B | Ford Cosworth DFV 3.0 V8 | G | Alan Jones | All |
| Williams - Ford | FW07 FW07B | Ford Cosworth DFV 3.0 V8 | G | Carlos Reutemann | All |
| Arrows - Ford | A3 | Ford Cosworth DFV 3.0 V8 | G | Riccardo Patrese | All |
| Arrows - Ford | A3 | Ford Cosworth DFV 3.0 V8 | G | Jochen Mass | 1-10, 13-14 |
| Arrows - Ford | A3 | Ford Cosworth DFV 3.0 V8 | G | Mike Thackwell | 11 |
| Arrows - Ford | A3 | Ford Cosworth DFV 3.0 V8 | G | Manfred Winkelhock | 12 |
| Osella - Ford | FA1 FA1B | Ford Cosworth DFV 3.0 V8 | G | Eddie Cheever | All |
| Williams - Ford | FW07 | Ford Cosworth DFV 3.0 V8 | G | Desiré Wilson | 8 |
| Williams - Ford | FW07 | Ford Cosworth DFV 3.0 V8 | G | Rupert Keegan | 8-14 |
| Williams - Ford | FW07 | Ford Cosworth DFV 3.0 V8 | G | Kevin Cogan | 13 |
| Williams - Ford | FW07 | Ford Cosworth DFV 3.0 V8 | G | Geoff Lees | 14 |
Question:
How many rounds did geoff lees drive with chassis of n180?
Answer:
11-12