Table:
text: 1973 Dutch Grand Prix
Race
Race
Driver Constructor_ Laps Time_Retired Grid
Ronnie Peterson Lotus - Ford 66 Engine 1
Graham Hill Shadow - Ford 56 Not Classified 17
Niki Lauda BRM 52 Fuel Pump 11
Mike Hailwood Surtees - Ford 52 Electrical 24
Denny Hulme McLaren - Ford 31 Engine 4
Wilson Fittipaldi Brabham - Ford 27 Accident 13
Chris Amon Tecno 22 Fuel System 19
Carlos Reutemann Brabham - Ford 9 Tyre 5
David Purley March - Ford 8 Withdrew 21
Roger Williamson March - Ford 7 Fatal Accident 18
Emerson Fittipaldi Lotus - Ford 2 Physical 16
Mike Beuttler March - Ford 2 Electrical 23
Jackie Oliver Shadow - Ford 1 Accident 10
Rikky von Opel Ensign - Ford 0 Non Starter 14

Question: After the 1973 Dutch Grand Prix, what is the best grid with less than 66 laps and an engine retry?

Question: What was the best lap at the 1973 Dutch Grand Prix that had a tire time?

Question: What is the best grid in which Roger Williamson completed less than 7 laps at the 1973 Dutch Grand Prix?