Table:
text: 1983 Giro d'Italia
Classification Leadership
Classification leadership by stage
Stage Winner General_classification Points_classification Trofeo_Fast_Team
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

Question: Which stage of the 1983 Giro d'Italia has a winner by Lucien van Impe?

Question: Which Trofeo Fast Team has a winner of alessandro paganessi 1983 in Giro d'Italia classification lead by stage?