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:
| Stage | Winner | General classification | Points classification | Trofeo Fast Team |
| --- | --- | --- | --- | --- |
| P | Stage Cancelled | not awarded | not awarded | not awarded |
| 1 | Bianchi-Piaggio | Tommy Prim | not awarded | Bianchi-Piaggio |
| 2 | Guido Bontempi | Urs Freuler | Guido Bontempi | Bianchi-Piaggio |
| 3 | Paolo Rosola | Paolo Rosola | Paolo Rosola | Bianchi-Piaggio |
| 4 | Giuseppe Saronni | Paolo Rosola | Paolo Rosola | Bianchi-Piaggio |
| 5 | Eduardo Chozas | Silvano Contini | Giuseppe Saronni | Bianchi-Piaggio |
| 6 | Alberto Fernández | Silvano Contini | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 7 | Moreno Argentin | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 8 | Guido Bontempi | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 9 | Riccardo Magrini | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 10 | Palmiro Masciarelli | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 11 | Lucien Van Impe | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 12 | Alf Segersäll | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 13 | Giuseppe Saronni | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 14 | Gregor Braun | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 15 | Paolo Rosola | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 16a | Frank Hoste | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 16b | Giuseppe Saronni | Giuseppe Saronni | Giuseppe Saronni | Metauro Mobili-Pinarello |
| 17 | Alberto Fernández | Giuseppe Saronni | Giuseppe Saronni | Zor-Gemeaz Cusin |
| 18 | Paolo Rosola | Giuseppe Saronni | Giuseppe Saronni | Zor-Gemeaz Cusin |
| 19 | Mario Beccia | Giuseppe Saronni | Giuseppe Saronni | Zor-Gemeaz Cusin |
| 20 | Alessandro Paganessi | Giuseppe Saronni | Giuseppe Saronni | Zor-Gemeaz Cusin |
| 21 | Moreno Argentin | Giuseppe Saronni | Giuseppe Saronni | Zor-Gemeaz Cusin |
| 22 | Roberto Visentini | Giuseppe Saronni | Giuseppe Saronni | Zor-Gemeaz Cusin |
| Final | Final | Giuseppe Saronni | Giuseppe Saronni | Zor-Gemeaz Cusin |
Question:
Which stage has a Winner of lucien van impe?
Answer:
11.0