Table:
text: 1998 Swedish Touring Car Championship season
Race calendar and winners
Race calendar and winners
Round_0 Round_1 Circuit Date_ Pole_Position Fastest_Lap Winning_Driver Winning_Team Winning_Privateer_
1 R1 Mantorp Park 10 May Mattias Ekström Fredrik Ekblom Mats Lindén Kristoffersson Motorsport Richard Göransson
1 R2 Mantorp Park 10 May  Peggen Andersson Fredrik Ekblom BMW Dealer Team Pontus Mörth
2 R3 Karlskoga-Gelleråsen 31 May Jan Nilsson Jan Nilsson Jan Nilsson Flash Engineering Pontus Mörth
2 R4 Karlskoga-Gelleråsen 31 May  Fredrik Ekblom Peggen Andersson BMW Dealer Team Pontus Mörth
3 R5 Anderstorp 28 June Mattias Ekström Fredrik Ekblom Jan Nilsson Flash Engineering Pontus Mörth
3 R6 Anderstorp 28 June  Peggen Andersson Peggen Andersson BMW Dealer Team Georg Bakajev

text: 1998 Swedish Touring Car Championship season
Race calendar and winners
Race calendar and winners
Round_0 Round_1 Circuit Date_ Pole_Position Fastest_Lap Winning_Driver Winning_Team Winning_Privateer_
4 R7 Falkenberg 9 July Jens Edman Jens Edman Jan Nilsson Flash Engineering Pontus Mörth
4 R8 Falkenberg 9 July  Mattias Ekström Jens Edman Flash Engineering Pontus Mörth
5 R9 Ring Knutstorp 6 September Fredrik Ekblom Fredrik Ekblom Fredrik Ekblom BMW Dealer Team Pontus Mörth
5 R10 Ring Knutstorp 6 September  Mats Lindén Jan Nilsson Flash Engineering Georg Bakajev
6 R11 Mantorp Park 27 September Tommy Kristoffersson Fredrik Ekblom Fredrik Ekblom BMW Dealer Team Pontus Mörth
6 R12 Mantorp Park 27 September  Peggen Andersson Jan Nilsson Flash Engineering Pontus Mörth

Question: How many fastest laps did Peggen Andersson set in the 1998 Swedish Touring Car Championship season?

Question: What is the total number of dates listed in the 1998 Swedish Touring Car Championship season?

Question: How many overall wins did the Flash Engineering team have in the 1998 Swedish Touring Car Championship season?

Question: Which driver was listed as the winning driver more than any other in the 1998 season of the Swedish Touring Car Championship?

Question: How many races in the 1998 Swedish Touring Car Championship did Jan Nilsson win?